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Mathematics
Jade Vanadium's user avatar
Jade Vanadium's user avatar
Jade Vanadium's user avatar
Jade Vanadium
  • Member for 4 years, 1 month
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answer
34
Is sudoku only one puzzle?
Aug 20
question
21
When does $|X^n|\leq |k^X|$ without the axiom of Choice?
Jan 25, 2023
question
10
Is Hilbert's epsilon calculus a conservative extension of intuitionist logic?
Aug 18
answer
10
Does a closed curve exist for which a square cannot intersect it 8 or more times?
Apr 26, 2021
answer
9
Is Hilbert's epsilon calculus a conservative extension of intuitionist logic?
Aug 18
question
6
Can $\sf ST$ interpret $\sf GST$?
Apr 1, 2022
answer
5
Can $\sf{ST}$ construct an infinite class wellordered ordered by $\in$?
Jun 18
answer
5
Does $|X|^m\cdot n^{|X|}\le (n+m)^{|X|}$ hold without choice?
Feb 16, 2023
question
4
Average of Gaussian integers in a disk
May 7, 2022
answer
4
An order that lacks "infinite" transitivity?
Feb 15, 2022
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10
Is the theory of $(\operatorname{Ord}, <)$ decidable?
8
Is there a simple paradox like Russell's paradox that arises if we assume