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J Williams's user avatar
J Williams's user avatar
J Williams
  • Member for 15 years, 1 month
  • Last seen more than 8 years ago
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29
Model structure on Simplicial Sets without using topological spaces
Nov 14, 2010
question
25
Logic comment in Mumford's Red Book
Nov 12, 2009
answer
16
Set theory and alternative foundations
Dec 4, 2009
answer
15
Categorical foundations without set theory
Dec 13, 2009
answer
8
Encoding fuzzy logic with the topos of set-valued sheaves
Dec 8, 2009
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7
measure spaces as presheaves?
Nov 30, 2009
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6
How can category theory help my research in set theory?
Nov 30, 2009
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4
Real spectrum of ring of continuous semialgebraic functions
Dec 19, 2009
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3
If we can define a topology on the set of all the ideals of a commutative ring?
Apr 10, 2010
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What does a proof in an internal logic actually look like?
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Notation for image and preimage