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HeinrichD
  • Member for 5 years, 11 months
  • Last seen more than 4 years ago
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19
How to construct a constructive proof from a non-constructive proof using prime ideals?
18
Constructive proof that a kernel consists of nilpotent elements
17
Locales as geometric objects
17
The possible degrees of $\mathbb{Q}(a,b)$ in terms of the degrees of $a$ and $b$
15
Example of a functor preserving only finite coproducts

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