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PyRulez
  • Member for 9 years, 7 months
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59 votes
2 answers
7k views

Why is $\varphi$ called "the most irrational number"?

23 votes
5 answers
3k views

How does the axiom of regularity forbid self containing sets?

20 votes
2 answers
1k views

Has a conjecture ever originally been decided by constructing the proof with mathematical logic?

19 votes
1 answer
4k views

For which $n$ can $\{1,2,...,n\}$ be rearranged so that the sum of each two adjacent terms is a perfect square? [duplicate]

17 votes
2 answers
8k views

What is the Hilbert curve's equation?

16 votes
2 answers
1k views

Is a space compact iff it is closed as a subspace of any other space?

16 votes
3 answers
913 views

The category of theorems and proofs

14 votes
4 answers
17k views

What is the difference between an axiom and a postulate?

12 votes
5 answers
2k views

Big List of examples of recreational finite unbounded games

12 votes
9 answers
2k views

Motivation for the Definition of Compact Space

12 votes
1 answer
1k views

What are some Group representation of the rubik's cube group?

10 votes
2 answers
1k views

Is there an effective theory which "solves" the halting problem?

10 votes
1 answer
792 views

Is there a orientable surface that is topologically isomorphic to a nonorientable one?

10 votes
3 answers
3k views

Abstract nonsense proof

10 votes
1 answer
179 views

Is there a simple perfect squaring of a 1366 by 768 rectangle?

9 votes
1 answer
1k views

What's an example of a number that is neither rational nor irrational?

9 votes
1 answer
1k views

Can you create non transitive dice for any finite graph?

9 votes
1 answer
1k views

Is the minimal conjunctive normal form for positive formula unique? If so, how do you calculate it?

8 votes
2 answers
394 views

What is the sheafification of the presheaf of the one point compactification?

8 votes
1 answer
280 views

Area preserving bijection between square and circle that is conformal on the perimeter?

7 votes
1 answer
245 views

How fast does the Godel speed-up theorem proof length grow?

7 votes
1 answer
396 views

What are some of the implications of $\pi + e$ being rational?

7 votes
2 answers
691 views

Info on the locale of surjections from the Natural Numbers to the Real Numbers

7 votes
1 answer
115 views

What is it called when the definition of "<adjective> <thing>" does not imply that it is a special case of "<thing>"?

7 votes
1 answer
181 views

Does Day and Night on a Klein bottle have a steady state?

7 votes
2 answers
166 views

Can two different models of arithmetic have non-comparable views of peano arithmetic?

6 votes
4 answers
201 views

Is $\mathbb Q$ a quotient of $\mathbb R[X]$?

6 votes
2 answers
614 views

Is there a turing machine for which halting is equivalent to the Axiom of Choice or its negation?

6 votes
2 answers
1k views

Proof that the Kelly Criterion is optimal?

6 votes
2 answers
1k views

Description of the order-5 square tiling of the hyperbolic plane as a graph

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