What the figures prove — page 4
Number
11 families
approx
10 kinds of claim · 5 placements
- |qα − p| comes out below 1/N
- and every convergent from the first onward breaks a record
- every record-breaking fraction is a convergent
- neighbouring convergents differ by a determinant of one
- so p/q is within one over qN of the number itself
- the constant is one this figure knows
- the largest denominator is a whole number between 8 and 200
- the number of boxes is a whole number between 3 and 14
- there are record-breaking denominators to mark
- two of the N + 1 points share a box, as they must
continued
63 kinds of claim · 24 placements
- √34's cycle is as long as its period ×5
- and its last term is twice the first term 5 ×5
- the cycles of 34 use every reduced state once ×5
- the period of √29 before its last term reads the same backwards ×5
- the quotients rebuild 34/13 ×3
- D is a whole number from 2 to 1000 and not a square ×2
- D runs up to between 20 and 300 ×2
- the number of terms is a whole number between 2 and 12 ×2
- √2 has a convergent above √5, as Hurwitz says every irrational must
- √D's own states are exactly one of the cycles, as long as its period
- a row of −1 composed with itself gives a row of 1
- a step from a reduced state lands on a reduced state
- after the first step |k| is below √D
- after the first step |k| stays below √D
- and needs fewer steps than the convergents do
- and that row is the method's own answer
- and the first that does is the fundamental solution found by searching
- and the last of them has closed on √5
- between four and twelve terms are expanded
- between two and five constants
- D is a whole number between 2 and 1000 and not a perfect square
- D is between 2 and 40
- D is not a perfect square
- D is not a perfect square, or the equation has only the trivial solution
- D names the Pell equation and is read only by the pell, chakravala, compose, states and reduced views; the other views take `of`
- dilations is between 2 and 6 and is read only by the dilate and ehrhart views
- dividing by k gives the method's next row
- dividing out k leaves whole numbers
- Ds is a short list of equations and is read only by the kwalk, palindrome and cycles views
- e has a convergent above √5, as Hurwitz says every irrational must
- each convergent is closer than the one before
- every constant expanded is one this family knows
- every convergent stays close to the hyperbola
- every period up to 1,000 is a palindrome ending in twice the first term
- every reduced state is above 1 with its conjugate between −1 and 0
- every reduced state lies on a cycle
- every row is a near miss a² − Db² = k
- neighbouring convergents differ by a determinant of one
- rs is a short list of whole heights and is read only by the reeve and ehrhart views
- some convergent solves the equation exactly
- the composition multiplies the two misses
- the constant is one this figure knows
- the convergents alternate above and below the value
- the cyclic method finishes
- the cyclic method needs fewer steps than the convergents
- the cyclic method reaches the continued fraction's fundamental solution
- the denominator is a whole number between 1 and 10000000
- the error view compares a list of constants and every other view expands one
- the expansion closes a period and finds the solution
- the expansion repeats
- the golden ratio's convergents never leave the neighbourhood of √5
- the method takes at least one step
- the numerator is a whole number between 1 and 10000000
- the period is never more than the number of reduced states
- the recurrence stays in whole numbers
- the solution found satisfies the equation
- the tower's last convergent is a number
- the view is one the family draws
- there are enough convergents to draw
- upTo is read only by the chakcount and periods views
- π has a convergent above √5, as Hurwitz says every irrational must
- π has a convergent that beats √5 by two orders of magnitude
- φ has a convergent above √5, as Hurwitz says every irrational must
descent
11 kinds of claim · 7 placements
- the side of the big square is a whole number between 2 and 200 ×2
- the side of the small squares is a whole number between 1 and 200 ×2
- and the discrepancy never changes size
- and the new pair is strictly smaller
- every step is strictly smaller than the one before
- the descent carries the discrepancy to minus itself
- the descent runs out of room before the discrepancy runs out
- the descent takes at least three steps
- the pair is one the descent can start from
- the two small squares overlap and still reach the corners
- the two small squares, less their overlap and plus the corners, are the big one
factor
77 kinds of claim · 46 placements
- every factorisation of 5 has the same number of factors ×4999
- the divisor sum of 12 from its factorisation matches the list ×1635
- n² + n + 2 is prime for every n up to 0 exactly when 7 is on the list ×78
- n² + n + 41 is prime at n = 0 ×40
- 9 is irreducible because it is two primes of the form 4k + 3 ×32
- 5 fails Euclid's lemma exactly when it is not an ordinary prime ×28
- 6 is called what it is ×10
- the bar for 6 is its divisors laid end to end ×10
- the discs cover the plane exactly for the five Euclidean fields (1) ×9
- the lattice for −1 leaves points at most 0.707 from it ×9
- the lattice draws every divisor of 30 exactly once ×5
- the range is a whole number between 100 and 2000 ×4
- 9 cannot be split into two numbers of the form 4k + 1 ×3
- 9 is a Hilbert number ×3
- 3 leaves remainder 3 on division by 4 ×2
- 496 is perfect ×2
- the number is a whole number between 4 and 100000 ×2
- 441 has exactly two factorisations into Hilbert irreducibles
- 441 is 3 × 3 × 7 × 7
- 6 and 220 are classified as what they are
- 6 and 28 sit on the line
- a held term leads to a term at least as large that is again held by the perfect number
- a proper multiple of a perfect or abundant number is abundant
- a term held by the perfect driver never shrinks
- a visible share of the range sits just above one
- and at n = 40 it is 41²
- and so do the norms of two and three
- and the next term is again the perfect number times an odd number
- below 1000, the sequences that pass 10^22 are the twelve undecided ones and 840
- between one and eight whole numbers above one
- between one and five starting values from 2 to ten million
- both first splits divide the number
- both trees end in the same multiset of primes
- every divisor including the number itself adds to twice the number
- every one of these monoids has an element with two factorisations
- every sequence is decided or passes the bound within the step budget
- for 4k + 1 it is 441
- in fact at most half the divisor's norm, because the square lattice is covered by discs of radius √2/2
- no divisor is drawn twice
- no element of the ring has norm 2 or 3
- no element of this ring has norm two or three, so neither factor can split further
- rounding the exact quotient leaves a remainder of smaller norm
- the cells add up to the divisor sum
- the divisor count is the product of one more than each exponent
- the divisor sum factorises as the two row totals multiplied
- the driver actually holds somewhere on the drawn sequence
- the driver is one of the first four perfect numbers
- the exponent is a whole number between 2 and 7
- the first odd abundant number is 945
- the first step shown is a whole number between 0 and 200
- the first tree's leaves multiply back to the number
- the largest number is a whole number between 101 and 600
- the last step shown is a whole number between 10 and 37
- the lattice half-width is a whole number between 2 and 5
- the Mersenne number for this exponent is prime
- the nearest are at distance √(5/4), so every remainder has norm 4 × 5/4 = 5, more than N(2) = 4
- the number has a factor tree to draw
- the number has at least three prime factors, so its trees can differ
- the number has at most three distinct primes
- the number is a product of exactly two prime powers
- the number is inside the range the primality test decides
- the powers of two below 2^k add up to the Mersenne number
- the rectangle holds every divisor
- the search radius is a whole number between 3 and 8
- the second tree's leaves multiply back to the number
- the sequence is long enough for the rows asked for
- the share at the end of the range is close to a quarter
- the share falls as the threshold rises and stays positive through four
- the smallest Hilbert number with two factorisations is 441
- the smallest norms are 1, 4, 5
- the step budget is a whole number between 10 and 800
- the stretch shows the driver holding
- the two conjugate factors have norms multiplying to 36
- the two trees start differently
- the view is one of lattice, grid, aliquot, mersenne, failure, trajectory, driver, fates, abundancy, primitive, abundantdensity, abundancydist, primitivesum, hilbert, hilbertgroup, hilbertatoms, hilbertmulti, monoids, covering, divfail, euclidgi, motzkin, hilbertlemma, euler41, rabinowitsch
- there are primitive abundant numbers in the range
- ω/2 is more than 1 from every integer of the field
ferrers
37 kinds of claim · 30 placements
- the coefficient at 0 is what the theorem says ×27
- the product's coefficient at 0 is p(0) ×19
- the two products agree at 0 ×19
- p(4) is divisible by 5 ×11
- log p(10) is below π√(2n/3), as it is for every n ×10
- the estimate at 10 is within a factor of two of the count ×10
- the ranks modulo 5 split the 30 partitions of 9 into 5 equal classes ×4
- the partitions of 8 into odd parts and into distinct parts come out equal ×3
- the number of coefficients shown is a whole number between 6 and 20 ×2
- the number sorted by rank leaves 4 on division by 5 ×2
- the number whose partitions are sorted by rank is a whole number between 4 and 14 ×2
- and changes the number of parts by exactly one
- and it is the largest one that fits
- and the estimate is closer at the far end than at the near one
- and the partitions the move cannot touch are exactly what survives
- and the ratio climbs towards that ceiling rather than away
- at least one of the divisible values is in the table
- doing it twice gives back what it started as
- every listed partition adds to the number it partitions
- the congruence drawn is the one modulo 5 or modulo 7
- the conjugate is a partition of the same number
- the largest number counted is a whole number between 20 and 120
- the largest number in the table is a whole number between 12 and 40
- the marked values are whole numbers inside the range drawn
- the move gives another partition of the same number into distinct parts
- the number being partitioned is a whole number between 3 and 12
- the number whose distinct partitions are paired off is a whole number between 3 and 14
- the numbers outside the congruence class are not all divisible either
- the partition view is one of durfee, glaisher, series, euler, pentagonal, growth, congruence
- the partitions listed are all of them
- the parts are a descending list of whole numbers
- the restricted counts are not the unrestricted one
- the series drawn is the partition product or Euler's identity
- the signed count of distinct-part partitions is the product's coefficient
- the square, the arm and the leg account for every dot
- there is a Durfee square to draw
- turning the diagram over twice gives it back
irrational
59 kinds of claim · 30 placements
- term 0 follows the pattern ×30
- past the threshold the tail at level 1 lies strictly between 0 and 1 ×14
- the search over divisors of 2 agrees with whether 2 is a perfect square power ×14
- the derivative of order 7 at zero is a whole number ×12
- and below 1/2 ×11
- at q = 2 the tail is positive ×11
- q! times the first 3 terms is a whole number ×11
- the degree-1 integral is positive, because the integrand is ×9
- the fraction 1/1 is no closer to √2 than 1/(3q²) allows ×9
- the largest value of the degree-1 polynomial is (π²/4)ᵏ/k! ×9
- and 4 has one such root, not several ×7
- the search over divisors of 2 agrees with whether 2 is a perfect cube power ×7
- Aₙ = q·e − p for the convergent 1/1 ×5
- Bₙ = p − q·e for the convergent 1/0 ×5
- Cₙ = p − q·e for the convergent 2/1 ×5
- the 1th truncation beats the exponent 2 ×5
- and it does so with room to spare: the error is below q^(−2) ×4
- some truncation beats the barrier of degree 2 ×4
- the search over divisors of 2 agrees with whether 2 is a perfect fourth power ×4
- at x = 0.3 each deeper convergent is closer to tan x ×3
- the fraction converges to tanh 0.5 ×3
- √2 is 1; 2, 2, 2, …
- √2: all 16 terms are certain
- a fraction's denominator is not zero
- and (1 + tanh ½)/(1 − tanh ½) is e
- and ends below one millionth
- and is below twice the peak, since sin integrates to two over the interval
- and it is closer than 1/q², which is what makes the exponent exactly two
- at least one of the numbers drawn has an irrational root, or the figure argues nothing
- between one and three increasing barrier degrees, none above the number of truncations drawn
- between two and five increasing degrees, each between 1 and 12
- between two and ten whole numbers, each between 2 and 64
- e follows its pattern
- e or its square root
- e: all 16 terms are certain
- for √2, q² times the error never falls below a third
- for e the lowest values drift down, slowly
- golden ratio: all 16 terms are certain
- its denominator is a whole number between 1 and 200
- q times the error falls at every step
- so it is strictly between 0 and 1, where no whole number is
- the bounds fix at least as many terms as are drawn
- the denominator is a whole number between 1 and 5
- the fraction is at least close enough to π for the picture to be about π
- the golden ratio is all ones
- the largest denominator tried is a whole number between 3 and 14
- the number of convergents drawn is a whole number between 4 and 9
- the number of tail terms summed exactly is a whole number between 12 and 60
- the number of truncations of the constructed number is a whole number between 3 and 5
- the numerator is a whole number between 1 and 5
- the numerator of the fraction π is supposed to be is a whole number between 2 and 400
- the range drawn reaches a degree whose bound is below one, which is the whole argument
- the root taken is a whole number between 2 and 4
- the tail falls as the denominator grows
- the view is one the family draws
- there are derivatives to show
- twelve levels at x = 1 give tan 1 to double precision
- π: all 16 terms are certain
- π's fifth term is 292
lattice-circle
99 kinds of claim · 57 placements
- the count on the circle of squared radius 1 is 4(d₁ − d₃) ×64
- 3, 4, 5 is a Pythagorean triple ×10
- the points on the circle of radius √25 are 4(d₁ − d₃) ×8
- 5 = 2² + 1² ×7
- the tetrahedron of height 1 has no lattice point inside it ×7
- the area is 20 interior points plus half of 7 on the edge, less one ×5
- the count at dilation 1 is the Ehrhart polynomial's value ×4
- the count at k = 1 matches the cubic fitted from the first value ×4
- the number of columns in the grid is a whole number between 4 and 8 ×2
- a group with entries only up to two fails to identify two of the classes
- a polygon's boundary count and its dual's add to twelve
- a prime is a sum of two squares exactly when it is one more than a multiple of four
- a square root of −1 exists modulo a prime one more than a multiple of four
- and a self-dual one has six boundary points, which is half of twelve
- and dividing by the radius itself tames it further still
- and every basis along the way spans a cell of the same area
- and exactly four on it, which are its own corners
- and from entries up to three onward the count stops moving
- and is one more than a multiple of four
- and it is the first one below it — the row above is still above
- and it really is in the lattice
- and Scott's inequality caps the boundary count at nine
- and some attain the bound
- and stays inside three times the two-thirds power throughout
- and stays inside twice the cube root over the range drawn
- and stopping one step earlier would not have given two squares
- and the answer is one of the points the circle of that radius actually passes through
- and the candidate really does square to −1
- and the density is falling, which is the statement the constant qualifies
- and the disc of radius two catches thirteen
- and the flat ones are excluded rather than ignored
- and the point it came from is on the unit circle
- and the rest pair off
- and they have between three and six corners
- and twelve has six
- at least two heights are drawn
- between one and five powers are drawn
- D is a whole number between 2 and 40 and not a perfect square
- D is between 2 and 40
- D is not a perfect square, or the equation has only the trivial solution
- every edge lies at lattice distance one from the interior point
- every lattice triangle in the grid satisfies the identity
- every marked point really is on the circle
- every one of the 2300 triples of grid points was reached
- every power is again a solution
- every solution up to the largest drawn is a power of the smallest
- for some height the linear coefficient is negative, so it counts nothing
- four of the sixteen are their own dual
- n names one circle and is read only by the default view; the other views take their own parameters
- no polygon with an interior point has more boundary points than Scott allows
- no two slopes give the same triple
- one extra for the hole repairs it, which is the Euler characteristic in disguise
- one has one divisor
- one of them attains Scott's bound
- p names the prime the two squares are produced for and is read only by the cornacchia and reduce views
- Pick's formula with one interior point makes twice the area the boundary count
- Pick's theorem holds for every polygon swept
- some circles miss the lattice entirely, which is the whole question
- the answer satisfies the congruence the chain started from
- the bound is attained only at one interior point
- the bound the count runs to is a whole number between 2000 and 200000
- the box the polygons are drawn from is a whole number between 3 and 4
- the circle of squared radius one carries four points
- the count times √(log x) over x is near Landau's constant at the top of the range
- the disc of radius one catches five points
- the divisors of everything up to six add to fourteen
- the dual of one of the sixteen is another of the sixteen
- the error divided by the cube root is the tamer ratio
- the error divided by the two-thirds power is the tamer ratio
- the error is not bounded by twice the square root over this range
- the factorisation test and the circle agree about every number up to two hundred
- the first remainder below the square root, with its partner, squares and adds to the prime
- the identity as stated gives the wrong area for a region with a hole
- the largest bound counted is a whole number between 200 and 4000
- the largest prime to test is a whole number between 10 and 200
- the largest radius counted is a whole number between 40 and 400
- the largest squared radius drawn is a whole number between 12 and 64
- the lattice half-width is a whole number between 1 and 16
- the leading coefficient is the volume for every height drawn
- the number is a whole number between 1 and 200
- the number is prime
- the polygon has between 3 and 16 whole-numbered corners and some area
- the polygon is one of blob, triangle, comb, thin
- the prime is one more than a multiple of four
- the prime the lattice is built from is a whole number between 5 and 200
- the prime the two squares are found for is a whole number between 5 and 4001
- the second differences are twice the area
- the shortest vector of the lattice has length squared exactly the prime
- the slopes are proper positive fractions
- the solution found satisfies the equation
- the sweep found a substantial family
- the sweep grid is between 3 and 6 points across
- the view is one the family draws
- the volumes differ while the counts do not
- there are sixteen classes to pair up
- there are sixteen lattice polygons with a single interior point
- twice the area is a whole number, which is why halves are the only fractions in the formula
- upTo names a range and is read only by the gaussian, count and density views
- while a polygon with no interior point can exceed the bound, which is why it needs one
mediant
68 kinds of claim · 34 placements
- ?(1/11) is the binary fraction in the same position ×1023
- 0/1 and 1/13 have determinant one and nothing simpler between them ×359
- 3/2 is in lowest terms ×108
- the circles on 0/1 and 1/7 touch ×56
- s(1) and s(2) are coprime ×48
- the 1th ratio's numerator agrees with the Calkin–Wilf walk ×48
- the ratio 1/1 appears once ×48
- 0/1 and 1/7 are Farey neighbours ×24
- 1/1 arrives already in lowest terms ×15
- and its mediant 1/1 is already in lowest terms ×13
- s(2) counts the hyperbinary representations of 1 ×12
- the 1th arc crossed is the descent's 1th interval ×10
- run 1 of the turns is the continued fraction's quotient ×5
- the sequence has one entry per coprime pair up to 7 ×2
- ? of the expansion of all ones is 2/3
- ? of the expansion of all twos is 2/5
- ?(1 − x) = 1 − ?(x)
- ?(x/(1 + x)) = ?(x)/2
- √2 − 1 has every quotient two
- and at most its right bound
- and is closer to the target
- and its denominator does too
- and the path closes on the target
- and their lengths add to one
- circles that are not neighbours stay clear of each other
- depth d cuts the interval into 2^d pieces
- each path is a word of at most eight L's and R's
- each record has a larger denominator than the last
- how many terms are drawn is a whole number between 8 and 64
- how many turns are taken is a whole number between 6 and 34
- neighbouring nodes have determinant one
- no fraction is produced twice
- no two words produce the same matrix, so the tree never rejoins
- reading the drawing left to right reads the fractions in increasing order
- the depth is a whole number between 2 and 5
- the depth of the tree checked is a whole number between 3 and 14
- the descent passes at least three fractions within 1/q² of the target
- the descent produces several record approximations
- the drawing scale is a whole number between 200 and 400
- the endpoint each crossed arc keeps spells the descent's word
- the function never decreases
- the largest denominator drawn is a whole number between 5 and 30
- the length carrying half the rise falls with depth
- the line crosses exactly as many arcs as the descent has intervals
- the matrix for "L" has determinant ±1
- the matrix for "LR" has determinant ±1
- the matrix for "LRL" has determinant ±1
- the matrix for "LRLR" has determinant ±1
- the matrix for "LRLRL" has determinant ±1
- the matrix for "R" has determinant ±1
- the matrix for "RL" has determinant ±1
- the matrix for "RLR" has determinant ±1
- the matrix for "RLRR" has determinant ±1
- the matrix for "RR" has determinant ±1
- the matrix for "RRL" has determinant ±1
- the matrix for "RRLR" has determinant ±1
- the matrix for "the root" has determinant ±1
- the mediant is at least its left bound
- the mode of the mediant family is one of tree, farey, ford, matrices, diatomic, approx, tessellation, questionmark, singular
- the number is one of phi, root2, pi, e
- the order is a whole number between 2 and 12
- the target is one of phi, root2, pi, e
- the tree has 2^D − 1 nodes to depth D
- the tree is full to its stated depth
- the window is a sub-interval of the unit interval
- two to six increasing depths, up to 18
- up to which index the hyperbinary count is checked is a whole number between 4 and 24
- φ − 1 has every quotient one
necklace
71 kinds of claim · 34 placements
- Fermat's theorem holds at 3 ×549
- the largest order mod 3 is λ(3) ×58
- the primitive roots of 3 number φ(p − 1) ×29
- the search and the rule agree at 2 ×29
- 1 to the power 4 is 1 modulo 15 ×28
- 1 to the power 13 − 1 is 1, which is Fermat's theorem ×12
- the order of 1 divides 13 − 1 ×12
- exactly φ(1) residues have order 1 ×8
- the class of numbers sharing n/1 with n has φ(1) members ×6
- the order of 2 divides λ(561) ×6
- the order of 2 falls short of 561 − 1 ×6
- the Wieferich primes to base 2 below 200000 ×6
- the modulus is a whole number between 5 and 31 ×4
- the powers of 2 run through every residue ×4
- 1009 has a primitive root ×3
- 11 to the 1008 is 1 mod 1009 ×3
- Chernick's construction at k = 1 satisfies Korselt's divisibility ×2
- no proper divisor of 4 works for every unit ×2
- the base is a whole number between 2 and 12 ×2
- the bound is a whole number between 12 and 42 ×2
- the length is a whole number between 3 and 7 ×2
- the number is a whole number between 6 and 24 ×2
- the number of colours is a whole number between 2 and 4 ×2
- a base passing every check exists exactly when the number is prime
- and exactly a of them are single
- and no smaller power along a prime is
- and reach each of them once
- and the largest order divides φ(n)
- and the number of non-constant classes is (a^p − a)/p
- at least one composite below 2000 survives every base
- at least one product was checked against every base rather than by the criterion alone
- at least one residue has order p − 1, which is what being cyclic means
- at least two composites below 2000 survive base 2
- at least two values of k below 12 give three primes
- both verdicts occur inside the bound, so the table is deciding something
- every base coprime to 1729 returns 1
- every class is a single string or a full ring of p
- every order divides the largest one
- every other class holds exactly p strings
- every string of the given length is drawn
- Mertens's estimate matches the exact sum of 1/p at a million
- more than one order occurs, so the picture is separating the residues
- not every residue is a generator, so the list is a selection
- only 1093 and 3511 keep their order
- p divides a^p − a, which is what the count just showed
- some of them are caught by another base, so the two columns differ
- the base is coprime to the modulus
- the classes account for every number from 1 to n
- the classes account for every string
- the classes of size one are exactly the constant strings
- the criterion and the exhaustive base test give the same verdict
- the drawn ring has as many beads as the base's order
- the figure draws every string, so there is a ceiling on how many
- the largest k searched is a whole number between 1 and 40
- the length is prime
- the length is prime — the whole argument needs it to be
- the modulus is prime
- the modulus is prime, so every non-zero residue has an order
- the number has at least three divisors, so the identity is not trivial here
- the number is a prime below a million
- the number is a whole number below a million
- the number is composite — the criterion is about composites
- the only zeros are 1093 and 3511
- the orbit closes
- the orders account for every residue
- the quotients are computed in exact whole numbers below 9,000
- the units are counted, and there are φ(n) of them
- the view is one the family draws
- there are φ(13 − 1) generators
- there is more than one base to test
- λ(n) = n − 1 exactly when n is prime
reciprocity
45 kinds of claim · 21 placements
- two primes agree modulo 3 and disagree about x² + 27y² ×158
- 3 is represented by x² + 1y² exactly when 3 mod 4 is one of the classes ×134
- every step is a whole unit, because 1 is not a multiple of 13 ×70
- the sign of multiplication by 3 is (3 | 11) ×22
- (−1 | 3) is decided by 3 mod 4 ×17
- (2 | 3) is decided by 3 mod 8 ×17
- Gauss's lemma counts 1 folds for −1, and its parity is the symbol ×17
- Gauss's lemma counts 1 folds for 2, and its parity is the symbol ×14
- the modulus deciding x² + 1y² is at most 4n ×3
- the modulus is a whole number between 5 and 31 ×3
- 3 folds gives the same answer as Euler's criterion ×2
- (p | q) comes out of the count above it
- (q | p) comes out of the count below the line
- a prime with both symbols positive is 1 modulo 8, which is the two conditions met at once
- and every one of them lands in the bottom half
- and exactly half the multipliers are squares
- and it has no imaginary part
- and points up, which is the part Gauss took four years over
- and positive, which is the part Gauss took four years over
- and their product is minus one to the power of the whole rectangle
- between two and five forms are drawn
- both are odd primes and they are different
- each form's coefficient is a whole number between 1 and 27
- every moved cycle has the same length, which is the order of the multiplier
- every point is counted exactly once, on one side or the other
- for a prime 1 modulo 4 the sum is real
- for a prime 3 modulo 4 the sum is purely imaginary
- no lattice point lies on the diagonal, because the primes are coprime
- the bound the congruence check runs to is a whole number between 2000 and 40000
- the cycle count and the inversion count give the same sign
- the drawing holds both kinds of form, which is what it is for
- the first prime is a whole number between 3 and 31
- the folded values are all different
- the folds for 2 are the k above p/4
- the largest modulus tried is a whole number between 20 and 400
- the largest prime drawn is a whole number between 60 and 400
- the largest prime in the table is a whole number between 11 and 97
- the length of the sum, squared, is the modulus
- the modulus is an odd prime
- the multiplier is a whole number between 2 and 30
- the multiplier is not a multiple of the modulus
- the points below the line are the sum of the floors of kq/p
- the second prime is a whole number between 3 and 31
- the square of the sum is plus or minus the modulus
- the view is one the family draws
sieve
73 kinds of claim · 55 placements
- the class 0 shares a factor with 4, so it can hold at most the factor itself ×20
- 211 leaves remainder 1 on division by 2 ×10
- the limit is a whole number between 10 and 400 ×5
- 2 classes share no factor with 4 ×4
- the staircase ends at π(3000) ×4
- every listed prime is already in the class 3 mod 4 ×2
- so some prime factor of it is 3 mod 4 — the classes multiply, and a product of ones is one ×2
- the class 3 leads at almost every bound ×2
- the modulus is a whole number between 3 and 14 ×2
- the number built is 3 mod 4 ×2
- a Mersenne prime has a prime exponent
- a square left unstruck holds a prime, and a struck one does not
- an even truncation is an upper bound
- and 168 below a thousand
- and an odd one a lower bound
- and every combination of exponents appears once
- and it tracks the logarithm of a logarithm to within a twelfth throughout
- and modulo three it never falls behind over this range
- and over the last decade of the range the diverging sum gains more than twice as much
- and some of the lower bounds are negative, which is no bound at all
- and the first bound at which it does not is 26,861
- and the number of them in the interval is never far below n / ln n
- and the one prime it holds divides the modulus
- and the ratio to x / ln x comes down as x grows
- and the twin pairs track theirs
- and there are almost none of them in this range
- and they hold them in near-equal numbers, which is more than Dirichlet's theorem claims
- between two and five odd primes are listed
- both classes hold primes below the bound
- each is near the share an even split would give
- every class coprime to the modulus holds primes
- every interval from n to 2n holds a prime
- every prime below the bound lands in exactly one class
- every prime factor of one more than a square of an even number is 1 mod 4
- every prime factor of the constructed number is outside the list
- multiplying the factors out gives exactly the sum over the numbers they build
- no listed prime divides it
- one gap between each consecutive pair
- the bound the postulate is checked to is a whole number between 100 and 50000
- the column count is a whole number between 4 and 25
- the construction is the one that subtracts or the one that squares
- the count runs above x / ln x over this range
- the factorisation multiplies back to the number built
- the factors are between 2 and 4 primes
- the full inclusion-exclusion agrees with the count made by sifting
- the gaps add up to the distance from 2 to the last prime
- the grid of whole numbers drawn is a whole number between 24 and 144
- the largest bound counted is a whole number between 5000 and 200000
- the largest number sieved is a whole number between 100000 and 2000000
- the largest prime sifted by is a whole number between 11 and 43
- the list is between two and six primes
- the logarithmic integral runs above the count at every checkpoint drawn
- the marked checkpoints are whole numbers inside the range
- the number built stays inside exact arithmetic
- the number of intervals drawn is a whole number between 6 and 40
- the numbers marked are exactly those the product builds
- the partial sums swing far past the answer before settling
- the pass number is between 0 and 8
- the power each factor is truncated at is a whole number between 2 and 5
- the primes 1 mod 4 are about half of all of them
- the primes one more than a square track the conjectured count
- the race is drawn modulo three or four
- the range sifted is a whole number between 10000 and 1000000
- the range the sum over primes is drawn to is a whole number between 1000 and 1000000
- the sieve found every prime below the bound
- the squares left standing below 100 are the primes
- the sum of the reciprocals of the primes keeps growing
- the sum over all primes has passed 2.8 and is still climbing
- the view is one the family draws
- there are 25 primes below 100
- while the ratio to the logarithmic integral is nearer one by more than a factor of four
- while the sum over the twins is still under 1.8
- π(x) stays above x / ln x throughout this range
Dynamics
11 families
attractor
32 kinds of claim · 31 placements
- above the critical parameter the trajectory visits both lobes
- and each is narrower by the stretch factor
- and even at the cusp, where a straight line cannot fit, the departure stays small
- and it is the Lorenz system's own exponent, near nine tenths
- and settles on neither fixed point
- and the strips are laid out in order without overlapping
- areas shrink at every step
- below the critical parameter it spirals into a fixed point
- between two and four starting gaps, each a whole power of ten from −2 to −12
- enough returns to see a shape
- every surviving strip lies inside the square
- every window still holds some of the orbit
- so the total width falls, and the limit has none
- the closed-form fixed points really are fixed
- the contraction is between 0.1 and 0.4
- the geometric parameter is between 0.1 and 8
- the growth rate does not depend on how close the two starts were
- the Hénon parameter is between 1 and 1.45
- the Jacobian determinant is the contraction
- the map's maximum is in its interior, so it folds
- the number of magnifications is a whole number between 1 and 4
- the number of stages is a whole number between 2 and 5
- the number of steps is a whole number between 500 and 40000
- the orbit stays bounded, which is what makes it an attractor
- the Prandtl parameter is between 0.1 and 40
- the Rayleigh parameter is between 0.1 and 100
- the return map is a curve, not a cloud — its typical thickness is under one per cent of its range
- the step size is between 0.0005 and 0.05
- the stretching factor is between 2.2 and 5
- the strips double at every stage
- the surviving set has a dimension between nought and one
- the trajectory stays in a bounded region
automaton
26 kinds of claim · 25 placements
- after one lap the flux at density 0.025 is min(ρ, 1 − ρ) ×40
- rule 90 row 0 matches Pascal's triangle mod 2 ×40
- every configuration of a 5-cell ring ends as its majority ×6
- a density strictly between 0 and 1
- above half density at least 2k − n cars are always stopped
- an odd ring of 7 to 13 cells
- an odd ring, so there is always a majority
- and freezes with both values still present
- and the drawn ring ends as its majority
- below half density every jam is gone after at most one lap
- below one half the stopped share reaches zero
- every cell is on or off and nothing else
- exactly five of the 256 rules conserve the number of 1s on every small ring
- far from one half it is always right
- near one half it is often wrong
- no elementary rule classifies every ring
- rule 184 never creates or destroys a car
- stopped cars never fall below (2k − n)/n
- the drawn table reads back as the rule number
- the local vote freezes within a few steps
- the number of rows is a whole number between 4 and 160
- the ring's length is a whole number between 20 and 240
- the rule number is a whole number between 0 and 255
- the seed is single or random
- the start is random or one block of cars
- the steps drawn is a whole number between 10 and 160
basins
19 kinds of claim · 15 placements
- root 1 is reached from at least one of the starting points ×5
- a point beside root 1 runs to root 1 ×3
- the iteration cap is a whole number between 8 and 200 ×3
- the 5 roots are all distinct and all found ×2
- the sample count is a whole number between 60 and 700 ×2
- the span is between 0.02 and 6 ×2
- and the cycle attracts, because the product of the map's derivative round it is under one
- and the disc was sampled at 144 points
- at least one root was found
- each root cubes to one
- every point called a root really is one
- every point of a small disc round the cycle reaches no root
- so the failing set has area rather than being a boundary
- the polynomial is one the family knows
- the roots found are counted
- the set has as many points as the construction asks for
- the two points really do map to each other
- the view is one the family draws
- with no imaginary part left over
bifurcation
29 kinds of claim · 27 placements
- the 2-to-1 merging is inside its bracket ×4
- the orbit at r = 2.8 has period 1 ×4
- the lower parameter is between 0 and 4 ×2
- the number of images is a whole number between 2 and 10 ×2
- the parameter is between 3.57 and 4 ×2
- the upper parameter is between 0 and 4 ×2
- at least three small distances below the window
- at the critical parameter f³ touches the diagonal
- below the critical parameter the channel is open
- each mean is taken over at least a hundred quiet phases
- each merging comes at a lower parameter than the one before
- the column count is a whole number between 40 and 1400
- the diagram is drawn as marks rather than as a bitmap of elements
- the distance below the window is small and positive
- the doublings come in order
- the gap ratio approaches Feigenbaum's constant from this side too
- the last ratio measured is Feigenbaum's constant to within a twentieth
- the number of doublings is a whole number between 3 and 5
- the number of mergings is a whole number between 3 and 5
- the orbit piles up beside each image of the turning point
- the orbit stays between the first two images of the turning point
- the orbit takes several steps to pass through the channel
- the points kept per column is a whole number between 10 and 400
- the quiet phases lengthen as the inverse square root of the distance
- the range runs upward
- the range runs upward and is wide enough to draw
- the steps drawn is a whole number between 100 and 2000
- the stretch drawn holds at least two quiet phases
- the view is one of feigenbaum, critical, histogram, merging, channel, laminar, laminarlength
billiard
64 kinds of claim · 29 placements
- a trajectory in this table takes exactly 4 directions and no more ×3
- the path bounces correctly off side 1 ×3
- a closed path is one that returns to within a tolerance
- a path closing on itself was found within 1e-9 — the search at this depth found none otherwise
- and arrives and leaves at the same angle to the radius
- and does so after twice the sum of the two whole numbers
- and its angles add to a straight angle
- and its invariant is the same at every bounce
- and never returns exactly to where it started
- and no nearby triangle inscribed in the same three sides is shorter
- and that genus is a whole number
- and the direction along the wall is untouched
- and the path does not close before it is supposed to
- and with the obstacle the gap grows by far more than the distance does
- at the value it was aimed with
- between 10 and 200 bounces
- between 20 and 200 bounces are followed
- between 3 and 24 bounces are drawn
- between 3 and 40 chords are drawn
- each altitude meets its side between the corners
- every chord passes the same distance from the centre
- in both coordinates
- on the empty table the gap grows no faster than the distance travelled
- on the empty table the gap stays proportional to the distance travelled
- so no part of it is below the axis
- the angle of arrival equals the angle of departure at every wall
- the angles of the table add to what a polygon's angles must
- the ball is moving and has a wall to reach
- the ball starts inside the table
- the bouncing path and the folded straight line agree everywhere along their length
- the drawn triangle has the angles it was asked for
- the escaping trajectory's invariant is below it
- the first hit is somewhere on the rim
- the irrational path enters nearly every cell of the grid
- the irrational path is followed for between 60 and 600 bounces
- the obstacle fits inside the table with room to pass
- the path is followed for a drawable number of bounces
- the rational slope is a ratio of small whole numbers
- the rational slope is in lowest terms
- the rational slope's path returns to its exact starting state
- the reflected copies drawn fit inside the panel they are drawn in
- the search runs to between three and sixteen bounces
- the slope is drawable
- the star closes exactly
- the star polygon is drawn in a single closed loop
- the star wraps between 1 and 6 times
- the stem is between a fifth and a whole radius deep
- the stem is between a twelfth and half the cap wide
- the surface the table unfolds into has a whole genus
- the sweep is a grid of a workable size
- the sweep produced something to compare
- the table is a triangle
- the table is one the family knows
- the trajectory is followed for between 40 and 600 bounces
- the trajectory stayed inside the table
- the trapped trajectory never touches a stem wall
- the trapped trajectory's invariant is above the stem's half-width and inside the cap
- the triangle is acute, which is when this path exists
- the two invariants sit on opposite sides of the stem's half-width
- the two paths start very nearly together
- the view is one the family draws
- two angles of a triangle, in degrees, leaving a third
- while the trajectory aimed under the half-width does go down the stem
- with the obstacle the same two paths end up hundreds of times further apart
boxcount
85 kinds of claim · 34 placements
- piece 0's mass is read off its binary digits ×1024
- at depth 2 the cover's total agrees with the closed form at exponent 1.037 ×36
- 0 right-hand choices are shared by C(10, 0) pieces ×19
- after 0 steps there are two to the power 0 pieces ×7
- at the dimension itself the total is exactly one, at depth 2 ×6
- the midpoint construction and the series agree at 1/2²⁰ ×6
- f at q = 0 is the least value of qα + β(q) ×5
- the counted slope for q = 0 is β(0) from the formula ×3
- the counted slope for w = 0.6 is 2 + log₂ w ×3
- α is minus the slope of β at q = 0 ×3
- after 6 steps there are as many pieces as the rule makes ×2
- f at q = -3 is the least value of qα + β(q) ×2
- a finite number of splits undercounts
- a smaller box never covers the set in fewer boxes
- and above it the total shrinks to nought
- and its limiting dimension is the curve's
- and none is larger than the support
- and the average over eight independent paths is closer
- and the point of contact is the information dimension
- and they make up the whole support
- at q = 0 every piece counts once, which is the support's dimension
- at q = 1 the curve touches the diagonal
- at q = 1 the moment is the total mass, so β(1) = 0
- below the dimension the total grows without bound as the cover is refined
- between 20 and 400 thousand steps
- between one and four sets this family draws
- between two and six depths, each between 1 and 14
- each count is exactly the number of pieces at that depth
- how many box sizes are counted is a whole number between 3 and 6
- how many times the box size is divided is a whole number between 1 and 5
- how many times the mass is split is a whole number between 1 and 12
- how many times the rule is applied is a whole number between 2 and 6
- more splits bring the counts closer to the curve
- near w = 1 detail finer than the grid is still large and the count reads low
- near w = ½ the count carries a logarithm and reads high
- no set of points is larger than its own scaling exponent allows
- one to five exponents between −2 and 6, leaving out 1, whose sum is always the whole mass
- one to four factors between ½ and 0.9
- one to three increasing split counts, up to 1000
- splitting in two, level times, makes two to that power pieces
- the box level marked is a whole number between 2 and 7
- the Brownian path's counted slope is near 1.5
- the chosen cells are distinct positions of the grid
- the comparison measure is uneven enough to have a curve
- the contraction beats the stretch, so the formula's first case applies
- the count's exponent is the curve's at the matching q
- the counted box dimension closes on the closed form
- the counted dimension closes on the one the rule forces
- the counted dimension lies strictly between a curve's and a region's
- the counted slope for q = -1 is β(-1) from the formula
- the curve is drawn finer than the smallest box counted
- the drawn boxes are the counted boxes
- the exponent is swept between 0.05 and 1 either side of the dimension
- the factor each level's raise shrinks by is between 0.3 and 0.95
- the first exponent is positive, which is what makes the orbit sensitive to its start
- the formula returns a value between a curve's dimension and a region's
- the Hausdorff dimension never exceeds the box dimension
- the horizontal contraction is the stronger one, which is what makes the carpet self-affine
- the left half is a line plus the whole graph shrunk by w
- the map contracts area but does not collapse it
- the map's parameter is in the range that has an attractor
- the marked columns are the counted columns
- the masses add to one
- the measure lives on the interval or on the Cantor set
- the number of box sizes is a whole number between 4 and 10
- the number of columns is a whole number between 2 and 6
- the number of pieces and the ratio give the dimension the rule forces
- the number of rows is a whole number between 2 and 5
- the number of sampled points is a whole number between 50000 and 1000000
- the number of times the rule is applied is a whole number between 1 and 7
- the orbit stays on the attractor rather than escaping
- the raises at a fine level have the variance the construction prescribes
- the rows carry different numbers of cells, so the two dimensions differ
- the rows carry equal numbers, so the two dimensions agree
- the sample is finer than the smallest box counted
- the second is negative, which is what collapses the attractor onto a set of no area
- the seed of the Brownian path is a whole number between 1 and 99
- the set is one built by a rule, or there is no exponent to pivot about
- the set is one this family draws
- the share of the mass the left piece of each split carries is between 0.02 and 0.98
- the shares of the measure drawn for comparison is between 0.02 and 0.98
- the two exponents add to the logarithm of the area factor, which the map fixes
- the view is one the family draws
- with equal shares every point scales alike
- α is minus the slope of β at q = -2
circle-map
69 kinds of claim · 35 placements
- inside the plateau at Ω = 0.4645 there are two orbits ×10
- the nonlinearity is between 0 and 0.95 ×4
- some parameter carries a period-2 orbit with rotation number 1/2 ×3
- the rotation number there is exactly 1/2 ×3
- inside the plateau at Ω = -0.1528 there are two orbits ×2
- the number of parameters sampled is a whole number between 60 and 900 ×2
- and at least one is outside it
- and both boundary circles still stay where they are
- and it rises rather than falling
- and the reason is that this map does not preserve area
- and the repelling one's is at least one
- and the second really is outside it
- and they turn in opposite directions
- and would change an exponent-one total a great deal, so that one does not
- at least two of the panels are inside the plateau
- both boundary circles stay where they are
- doubling the range barely changes this total, so it converges
- each crossing is a fixed point of the map
- each orbit is followed for between 60 and 600 steps
- how many images are drawn either way is a whole number between 6 and 20
- in the sorted coordinates the map is the rotation, to the orbit's own resolution
- inside a plateau the rotation number does not depend on where the orbit started
- most sampled parameters carry an orbit
- no orbit leaves the annulus
- no point of the annulus comes near to staying where it is
- one fixed point is a centre and the other a saddle
- one orbit attracts and the other repels
- outside, the rotation number has moved off the rational
- the angle is a number or one of the named constants
- the angular shift changes sign across the annulus at every angle
- the attracting orbit is most strongly attracting in the middle of the plateau
- the attracting orbit's multiplier is at most one
- the boundaries still turn in opposite directions
- the conserved quantity stays put along every orbit drawn
- the drawn images account for less than the whole circle
- the exponent the lengths fall at is between 1.05 and 4
- the first parameter really is inside the plateau
- the gaps take at most three distinct values, as the three-distance theorem says
- the largest nonlinearity is between 0.4 and 1.2
- the length of the orbit is a whole number between 200 and 3000
- the lengths sum to something finite
- the locked share of the parameter axis grows with the nonlinearity
- the loop and its image cross exactly twice
- the loop and its image enclose the same area
- the lower parameter is between 0 and 1
- the map locks onto one step in two over an interval of parameters
- the map preserves area everywhere on the annulus
- the measured curve is flat over a stretch at more than one rational
- the number of nonlinearity levels is a whole number between 6 and 40
- the number of parameters per level is a whole number between 40 and 320
- the number of steps drawn is a whole number between 10 and 60
- the number of steps is a whole number between 3 and 120
- the orbit leaves no large gap
- the orbit repeats exactly when the angle is rational
- the outward push is a sensible size
- the parameter reaches the intended rotation number
- the period is a whole number between 1 and 4
- the perturbation is a sensible size
- the perturbation is between a fiftieth and two fifths
- the plateau has positive width
- the ratio of consecutive lengths rises towards one, which is the smoothness condition
- the rotation number never falls as the parameter rises
- the rotation number p/q is between nought and one
- the rotation per period, plus one is a whole number between 1 and 5
- the two orbits are closer together near the edge of the plateau
- the upper parameter is between 0 and 1
- the view is one the family draws
- the window runs upward and is wide enough to draw
- with no nonlinearity the curve is a straight line and has no plateaus to speak of
cobweb
137 kinds of claim · 71 placements
- T2: bin 1 matches the arcsine share ×90
- bin 1 holds the share the density says it should ×60
- at r = 4 the 0-th iterate has 2^0 folds ×21
- T2 composed 1 times has 2 fixed points ×16
- T2 composed 1 times is T2 ×16
- step 0 is cos(3^0 θ) ×13
- returns after 1 steps against the trace ×10
- the orbits of exact period 1, walked and by inversion ×10
- the points of exact period 1 make whole orbits ×10
- at level 1 the admissible intervals number F(3) = 2 ×8
- the number of steps is a whole number between 2 and 400 ×7
- every point over 1 comes back after 1 doublings ×6
- the trace is 1 + (1 + √2)ⁿ + (1 − √2)ⁿ at n = 1 ×6
- 0.00000 returns to itself after 2 steps ×5
- a full two-branch fold has 2^1 points fixed by its 1th power ×5
- after 0 doublings the overlap is within 1/2^2 of a sixth ×5
- both maps have the same number of points of period dividing 1 ×5
- 0.6154 is fixed at r = 2.6 ×4
- after 0 doublings the lowest frequency present is 1 ×4
- T2(cos θ) = cos 2θ ×4
- the random point visits quarter 1 a quarter of the time ×4
- the total energy of f composed 0 times is a quarter ×4
- in the window of three, at 3.8300, the estimate is log of the golden ratio ×3
- the folds of f^6 at r = 3.5, sampled and from the preimages of 1/2 ×3
- the longest word counted is a whole number between 3 and 10 ×3
- the numerator of the starting point is a whole number between 1 and 10000000 ×3
- the parameter is between 0 and 2 ×3
- at r = 2.4 the error shrinks by the slope at the fixed point each step ×2
- the longest iterate counted is a whole number between 6 and 22 ×2
- the number of steps drawn is a whole number between 3 and 20 ×2
- the number of times the map is applied is a whole number between 2 and 5 ×2
- the orbit at r = 2.4 converges far enough to measure a rate ×2
- √2 is fixed by the Newton step
- 0, 1/3 and 1 are a cycle of three
- A covers A and B, B covers all three, C covers B and C
- a new crossing has a period above one that divides 2
- a point with no two 1s together never enters the top quarter
- after the computed orbit is dead the exact one is still moving
- and carries the right end to the right end
- and it never reaches zero, because an odd denominator cannot be halved away
- and never grows
- and not before
- and shrinks every distance by a factor under one
- and stays there, because zero is fixed
- and the constant the ratio approaches is 1/(2√2)
- and the repeat found really is a repeat
- and then separate visibly, at a step the figure marks
- at 1,000 digits more than 99% of strings are within 0.05 of a half
- at r = 4 the folds double and the estimate is log 2
- below the end of the doublings the deeper estimate is the smaller
- between 6 and 60 steps are taken
- between one and six logistic parameters from 3 to 4
- between one and three logistic parameters, each with an attracting fixed point
- deleting the first digit of an admissible word leaves it admissible
- each letter of the itinerary is the next binary place of the starting point
- each Newton error is the square of the last over twice the current guess
- each point of the cycle is carried to another
- each point of the cycle lies in its letter's piece
- each step of a closed word's point lands in that word's piece
- every bin is visited
- every corner of the staircase lies on the curve or on the diagonal
- every crossing of the map is also a crossing of the composed map
- every exact iterate is a whole numerator over the same denominator
- every piece is stretched
- every start reaches the same point
- five Newton steps from 1.9 reach twelve decimal places
- how many steps of the orbit are drawn is a whole number between 3 and 12
- its denominator is a whole number between 3 and 10000000
- no point is named by two closed words
- one point drawn per step, and the start
- T₂∘T₃, T₃∘T₂ and T₆ agree everywhere
- the 2 new crossings of period 2 are whole orbits of 2 points
- the average of one long orbit is the average over the whole interval
- the change of coordinate fixes the left end
- the change of coordinate is increasing, so it is reversible
- the column count is a whole number between 20 and 241
- the computed orbit reaches exactly zero inside the drawn window, having run out of binary places
- the contraction is one the family knows
- the coordinate change carries the tent map to the logistic map
- the coordinate is one whose invariant density this figure knows
- the cycle closes after the word's length
- the cycle is one the family draws
- the deeper estimate never falls as r rises
- the degree is a whole number between 2 and 5
- the denominator is odd, or the exact orbit reaches zero as surely as the float one does
- the error after n steps is inside k to the n times the error at the start
- the exact orbit closes up inside the drawn window
- the exact shares add to one
- the fixed point attracts, so there is a rate to measure
- the folds grow by the golden ratio at the last step
- the highest frequency drawn is a whole number between 16 and 96
- the left piece covers the right, and the right covers both
- the longest cycle counted is a whole number between 2 and 8
- the longest word counted is between two and eight
- the lower parameter is between 3 and 4
- the map is one the family knows
- the map is one this figure knows
- the map itself brings the point back
- the map itself has a fixed point
- the map sends the interval into itself
- the number of binary places the starting point has is a whole number between 3 and 8
- the number of bins is a whole number between 8 and 80
- the number of drawn steps is a whole number between 2 and 400
- the number of levels is a whole number between 4 and 10
- the number of stages is a whole number between 3 and 7
- the number of times the map is composed is a whole number between 2 and 4
- the orbit approaches the fixed point exactly when the slope is shallow
- the orbit at r = 3.83 settles on a cycle of three
- the orbit of 1/3 lives in the two middle quarters
- the orbit of 1/3 never enters [0, ¼)
- the orbit stays inside the unit interval
- the point a repeating word names has that word as its itinerary
- the point found by bisection is fixed
- the points returning after 4 steps are as many as the trace of the matrix power
- the quadratic curve is on or off
- the random point's running average reaches a quarter
- the range runs upward
- the share near a half grows with the length
- the slope at the fixed point is 2 − r
- the solved point comes back after exactly the word's steps
- the starting point has between three and eight binary places
- the starting point is between 0 and 1
- the starting point is inside the interval
- the straight pieces of the composed map are the allowed words of 4 letters
- the transported orbit is the orbit of the transported point
- the transported orbit obeys the tent map's own recurrence
- the two agree exactly for at least eight steps
- the upper parameter is between 3 and 4
- the view is one the family draws
- the word is not a shorter word repeated
- the word is two to eight letters of L and R
- the word, read round, never puts L after L
- the words of each length and the points of that period are equally many
- two depths, the deeper at most 20
- two logistic parameters above one
- two points are at most k times as far apart after the map as before
- x² and x² − 1 composed in the two orders differ
collatz
44 kinds of claim · 30 placements
- step 1 follows the rule ×178
- every one of the 2 patterns of length 1 occurs exactly once ×12
- the orbit of 27 reaches one ×7
- a power of two is never a power of three
- a starting number is a whole number between 3 and 1000000
- across a large sample of starts, half the steps are odd ones
- and 27 is the famous long one
- and by the largest run drawn it is above nine tenths
- and it is the one at one
- and no two residues give the same parity string
- and reaches a few thousandths within the range drawn
- and the average fall per step is the value the pairing predicts
- at least one pattern gives a whole number
- between two and four odd offsets, each at most eleven
- each convergent beats every fraction with a smaller denominator
- every number the reverse tree reaches does come back to one
- every orbit trends downwards in the logarithm
- every pattern of the length was solved
- most parity strings shrink the number by the end of the run
- no pattern with a negative denominator gives a positive whole solution
- one is already at one
- one length per start
- so the residues and the parity strings match one for one
- the continued fraction of log₂3 starts 1, 1, 1, 2
- the denominator is always odd, so the solution stays where the map is defined
- the depth of the tree is a whole number between 3 and 12
- the largest number of steps is a whole number between 4 and 15
- the largest start is a whole number between 20 and 4000
- the longest pattern length checked is a whole number between 6 and 14
- the longest pattern searched is a whole number between 8 and 20
- the map is a bijection at every length checked
- the multiplier condition predicts the drop, on a large member of the class
- the number of convergents listed is a whole number between 5 and 10
- the number of steps is a whole number between 3 and 7
- the ordinary rule has exactly one cycle at these lengths
- the ordinary rule is among those searched
- the parity of the first steps depends only on the start modulo two to the k
- the pattern length is a whole number between 4 and 10
- the relative gap shrinks along the list
- the rule with minus one has at least three, which no drift argument distinguishes
- the share provably driven down grows with the number of steps allowed
- the starting number is a whole number between 1 and 100000
- the tree is still growing at the depth drawn
- the view is one the family draws
complex-set
11 kinds of claim · 13 placements
- and neither is four tenths
- and so is minus one
- one is not
- the critical point is in this Julia set exactly when its parameter is in the Mandelbrot set
- the escape time separates into bands
- the iteration cap is a whole number between 20 and 400
- the Julia parameter is a complex number
- the sample count is a whole number between 60 and 700
- the set is the Mandelbrot set or a Julia set
- the span is between 0.0005 and 4
- zero is in the Mandelbrot set
divergence
32 kinds of claim · 23 placements
- doubling 1 times returns 0/1 to itself ×120
- of total length (2/3)^0 ×11
- after 0 steps there are 2 to the 0 surviving pieces ×6
- slope 3: box-counting dimension equals 1 − κ/λ ×4
- the number of steps is a whole number between 10 and 200 ×3
- a periodic point lies within the interval
- a random start survives s/(s − 2) steps on average
- a rational turn has only its periodic points
- an irrational turn is transitive and nothing else
- and at the step z nears q, z and p are at least half the far distance apart
- and below the onset of chaos it is negative
- at r = 4 the exponent is log 2, which is exactly computable
- doubling on the line is sensitive and nothing else
- the column count is a whole number between 40 and 1200
- the dense orbit enters the interval
- the dense orbit later comes near the far point
- the doubling map has all three
- the largest period is a whole number between 2 and 8
- the lower parameter is between 0 and 4
- the measured escape rate is log(s/2)
- the number of strips is a whole number between 4 and 64
- the orbit enters every one of the 16 strips within 400 steps
- the orbits separate exactly when the parameter is past the onset of chaos
- the parameter is between 0 and 4
- the range runs upward and is wide enough to draw
- the slope is above 2, so the middle escapes
- the starting point is between 0 and 1
- the two orbits begin the stated distance apart
- the two starts are close together
- the upper parameter is between 0 and 4
- the view is one of lyapunov, dense, periodic, banks, table, cantor, survival, transient, kg
- z and p start inside the same small interval