478

Answers
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127
What are some examples of colorful language in serious mathematics papers?
98
Mathematical “urban legends”
54
Categories First Or Categories Last In Basic Algebra?
51
Set theories without “junk” theorems? (2)
38
Why can’t proofs have infinitely many steps?
29
What is Realistic Mathematics?
28
Kuratowski’s definition of ordered pairs
26
Do the algebraic integers form a free abelian group?
24
Is there a name for a family of finite sequences that block all infinite sequences?
24
What can be proven in Peano arithmetic but not Heyting arithmetic?
23
What the heck is the Continuum Hypothesis doing in Weibel’s Homological Algebra?
22
Why is the fibered coproduct of affine schemes not affine?
22
Unprovable statements S where the only way to prove S is to assume S
21
Is PA consistent? do we know it?
21
Are proper classes objects?
20
Club sets and substructures (2)
20
When factors may be cancelled in homeomorphic products?
20
Interpretation of the Second Incompleteness Theorem
20
Proving Independence of Axioms by Exhibiting Models Which Don’t Satisfy Our Intuition
20
Arguments against large cardinals
19
Are there more connected or disconnected graphs on n vertices?
19
Is there a measure zero set which isn’t meagre?
19
Finite axiom of choice: how do you prove it from just ZF?
19
Partitioning $\mathbb{R}$ into $\aleph_1$ Borel sets
19
Mathematics needed for higher dimensional category theory?
18
Theorems first published in textbooks?
17
Is P=NP relevant to finding proofs of everyday mathematical propositions?
17
Never appeared forthcoming papers
17
Free modules over integers
17
Is choice needed to establish the existence of idempotent ultrafilters?
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