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James
  • Member for 10 years, 10 months
  • Last seen more than 1 year ago
7 votes
1 answer
710 views

Real life birthday paradox.

6 votes
2 answers
1k views

Showing $\mathcal{H}$ is a hilbert space.

5 votes
0 answers
112 views

Adding bounded quantifiers increases complexity in $L$

4 votes
0 answers
134 views

Meaning of Biinterpretability.

3 votes
1 answer
50 views

uppersemilattice end extensions

3 votes
2 answers
7k views

What is a standard precalculus syllabus?

3 votes
2 answers
750 views

Weakly inaccessible cardinals and Discovering Modern Set Theory

2 votes
1 answer
349 views

Sub-models which are elementary equivalent, but not elementary submodels.

2 votes
2 answers
442 views

If $U$ is an ultrafilter on $\mathbb{N}$, then $U$ limits exist.

1 vote
0 answers
609 views

Examples of Markov chains from real life

1 vote
1 answer
41 views

An $n+1$-c.e. set which is not $n$-c.e.

0 votes
1 answer
319 views

Smoothly extending a smooth function.

0 votes
1 answer
98 views

What is the convention around appositional phrases and commas in formal mathematical writing? [closed]