Skip to main content
Mathematics
Doctor Who's user avatar
Doctor Who's user avatar
Doctor Who's user avatar
Doctor Who
  • Member for 4 years, 1 month
  • Last seen more than 4 years ago
Profile Activity
Stats
3,461
reputation
33k
reached
125
answers
0
questions
Communities
About

Senior undergraduate looking to study mathematical and categorical logic and foundations of mathematics at the Ph.D. level.

Badges
View all badges
This user doesn’t have any gold badges yet.
6
silver badges
15
bronze badges
Top tags
View all tags
36
Score
14
Posts
11
Posts %
34
Score
18
Posts
14
Posts %
24
Score
6
Posts
5
Posts %
18
Score
8
Posts
6
Posts %
17
Score
6
Posts
5
Posts %
16
Score
7
Posts
6
Posts %
Top posts
View all questions and answers
answer
14
$n$ is prime iff $\binom{n^2}{n} \equiv n \pmod{n^4}$?
Aug 6, 2020
answer
11
Is $\mbox{Rank}(A + A^2) \leq \mbox{Rank} (A)$?
Jul 31, 2020
answer
10
Uncountable sets - Why is the following proof false?
Jul 28, 2020
answer
10
Evaluate $\lim _{n\to \infty }\int _{0}^{1}nx^ne^{x^2}dx$
Aug 12, 2020
answer
8
Collatz Conjecture: What is the problem with this simple argument for showing there are no cycles
Aug 19, 2020
answer
6
Expected Value of flipping through a book
Aug 20, 2020
answer
6
Could we really started mathematics right away without proving existences of sets?
Jul 31, 2020
answer
5
Well-ordering on natural numbers
Aug 6, 2020
answer
5
Solutions for $615+2^x=y^2$ on the integers
Aug 20, 2020
answer
5
How many unique "$\phi$-nary" expansions are there for $1$?
Aug 2, 2020