Question

Questions about adjointness of quantifiers in first-order logic

score 192 · Answer 1 · 2012-08-13 16:53:44

192

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Questions about adjointness of quantifiers in first-order logic

Published on 13 Aug 2012 - 16:53

score 3.1k · Answer 2 · 2026-03-25 18:31:28

3.1k

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If adjunction arises everywhere, where is it in the fundamental theorems?

Published on 25 Mar 2026 - 18:31

score 134 · Answer 3 · 2012-10-28 17:35:02

134

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Functors $f^$ and $f_$ on the category of sheafs of modules (Hartshorne)

Published on 28 Oct 2012 - 17:35

score 7.2k · Answer 4 · 2013-01-05 15:55:46

7.2k

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Mnemonic for the fact that a right(left) adjoint functor preserves limits(colimits)

Published on 05 Jan 2013 - 15:55

score 2k · Answer 5 · 2026-03-26 06:30:06

2k

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Examples of Monads and their Algebras

Published on 26 Mar 2026 - 6:30

score 492 · Answer 6 · 2026-03-25 12:16:26

492

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Is the unit of an adjunction an epimorphism?

Published on 25 Mar 2026 - 12:16

score 10.1k · Answer 7 · 2013-03-23 15:24:03

10.1k

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Right-adjoint functors are left-exact?

Published on 23 Mar 2013 - 15:24

score 1.8k · Answer 8 · 2013-03-25 18:31:31

1.8k

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How to show two functors form an adjunction

Published on 25 Mar 2013 - 18:31

score 897 · Answer 9 · 2020-08-02 18:48:45

897

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What are some examples of self-adjoint functors? Is this an example?

Published on 02 Aug 2020 - 18:48

score 111 · Answer 10 · 2020-08-03 00:12:10

111

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Dual image map restricts to open sets?

Published on 03 Aug 2020 - 0:12

score 69 · Answer 11 · 2026-02-23 05:15:17

69

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Naturality of $\varphi : \textbf{Vct}_K(V(x), w) \xrightarrow{\sim} \textbf{Set}(x, U(w))$ in the variable $x$ (Cats for the Working Mathematician).

Published on 23 Feb 2026 - 5:15

score 72 · Answer 12 · 2026-03-25 23:25:40

72

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Equivalence between two definitions of a category having exponential objects

Published on 25 Mar 2026 - 23:25

score 613 · Answer 13 · 2020-08-20 20:29:45

613

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Is the natural isomorphism in an adjunction uniquely determined by the pair of adjoint functors

Published on 20 Aug 2020 - 20:29

score 545 · Answer 14 · 2026-03-25 17:45:07

545

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Conditions for adjoints to preserve monos?

Published on 25 Mar 2026 - 17:45

score 115 · Answer 15 · 2026-03-26 06:29:03

115

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Coalgebras of a free-forgetful adjunction

Published on 26 Mar 2026 - 6:29

List Question

Questions about adjointness of quantifiers in first-order logic

If adjunction arises everywhere, where is it in the fundamental theorems?

Functors $f^$ and $f_$ on the category of sheafs of modules (Hartshorne)

Mnemonic for the fact that a right(left) adjoint functor preserves limits(colimits)

Examples of Monads and their Algebras

Is the unit of an adjunction an epimorphism?

Right-adjoint functors are left-exact?

How to show two functors form an adjunction

What are some examples of self-adjoint functors? Is this an example?

Dual image map restricts to open sets?

Naturality of $\varphi : \textbf{Vct}_K(V(x), w) \xrightarrow{\sim} \textbf{Set}(x, U(w))$ in the variable $x$ (Cats for the Working Mathematician).

Equivalence between two definitions of a category having exponential objects

Is the natural isomorphism in an adjunction uniquely determined by the pair of adjoint functors

Conditions for adjoints to preserve monos?

Coalgebras of a free-forgetful adjunction

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