I like geometry, combinatorics, set theory and neat proofs.
Member for 10 years, 7 months
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Last seen Nov 6 '19 at 8:43
Top network posts
- 97 Does every non-empty set admit a group structure (in ZF)?
- 50 Is the non-triviality of the algebraic dual of an infinite-dimensional vector space equivalent to the axiom of choice?
- 35 Algorithms from the Book.
- 30 How can I get bold math symbols?
- 26 How much choice is needed to show that formally real fields can be ordered?
- 21 Bad spacing of math letters within italic text
- 13 Extremal question on matrices
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