Hint
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Answer
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Number of regular plane tesselations
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3
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Number of semi-regular plane tesselations
|
8
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Number of Archimedean solids
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13
|
Regular polychora
|
Pentachoron
|
Octachoron
|
Hexadecachoron
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Icositetrachoron
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Hecatonicosachoron
|
Hexacosichoron
|
Reflection of the median across the angle bisector
|
Symmedian
|
Isogonal conjugate of the circumcentre
|
Orthocentre
|
Circumcircle of the midpoints of the sides of a triangle
|
Nine point circle
|
Result of colouring Pascal's triangle by parity
|
Sierpinski's triangle
|
Pascal's first name
|
Blaise
|
States that Pythagorean triples with higher exponents do not exist
|
Fermat's Last Theorem
|
States that a^b - c^d = 1 has only 1 integer solution when all 4 variables are greater than 1
|
Catalan's Conjecture
|
Mihăilescu's Theorem
|
A prime p, where 2p+1 is prime
|
Sophie Germain prime
|
States that there exist arbitrarily long arithmetic progressions of prime numbers
|
Green-Tao Theorem
|
What the "fi" in Fibonacci stands for
|
filius
|
Fibonacci sequence, but starting with 2, 1, ...
|
Lucas numbers
|
States that a spherical triangle on a unit sphere has area equal to the sum of its angles, minus pi
|
Girard's Theorem
|
States that two triangles are in perspective axially if and only if they are in perspective centrally
|
Desargues' Theorem
|
Namesake of the Cartesian plane (first name required)
|
René Descartes
|
Reflection of a complex number across the real axis
|
conjugate
|
States that any continuous function mapping a compact convex non-empty set into itself maps a point to itself
|
Brouwer's fixed point theorem
|
4-dimensional extension of complex numbers
|
Quaternions
|
Euler Characteristic of a torus
|
0
|
Loop that, when chopped in half, remains a loop
|
Möbius strip
|
Object that, when chopped in half, gives the previous answer
|
Klein bottle
|
The product of a gross, a dozen, and a score
|
34560
|
A non-disjoint graph whose vertices all have even degree contains an...
|
Eulerian circuit
|
French Mathematician; died aged 20 from a duel
|
Évariste Galois
|
Alice in Wonderland author (pen and real names)
|
Lewis Carroll
|
Charles Lutwidge Dodgson
|