List questions from yoneda-lemma

Published on 30 Jan 2020 - 23:44

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Yoneda embedding

Published on 26 Mar 2026 - 0:22

496

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Part of proof of Yoneda's Lemma from Vakil

Published on 17 Feb 2020 - 22:43

170

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Exponents in a slice category of presheaves

Published on 26 Mar 2026 - 4:10

155

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How does the $2$-Yoneda embedding for the category of categories act on 2-morphisms?

Published on 25 Mar 2026 - 23:57

174

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Two questions on Yoneda's lemma

Published on 04 Apr 2020 - 13:43

182

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Subobjects in the category of presheaves?

Published on 25 Mar 2026 - 12:53

663

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Possible adjoint to Yoneda embedding and Repeated Yoneda embedding?

Published on 26 Mar 2026 - 1:28

156

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Why is el(-)=$\int(-)$ a functor from functors to a slice cateory?

Published on 18 Mar 2026 - 13:49

216

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Replacing $\mathbf{Set}$ in Yoneda

Published on 20 Jun 2020 - 8:43

194

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Using Yoneda to establish natural isomorphisms?

Published on 25 Mar 2026 - 13:52

457

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On the proof of the density theorem

Published on 26 Mar 2026 - 4:52

97

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A detail in the proof of the Yoneda lemma

Published on 03 Jul 2020 - 4:22

1.1k

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The Natural Isomorphism in Yoneda Lemma

Published on 13 Sep 2016 - 16:38

3.2k

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Basic Example of Yoneda Lemma?

Published on 25 Nov 2016 - 17:16

List Question

Why is injectivity hard to prove in Yoneda lemma?

Yoneda embedding

Part of proof of Yoneda's Lemma from Vakil

Exponents in a slice category of presheaves

How does the $2$-Yoneda embedding for the category of categories act on 2-morphisms?

Two questions on Yoneda's lemma

Subobjects in the category of presheaves?

Possible adjoint to Yoneda embedding and Repeated Yoneda embedding?

Why is el(-)=$\int(-)$ a functor from functors to a slice cateory?

Replacing $\mathbf{Set}$ in Yoneda

Using Yoneda to establish natural isomorphisms?

On the proof of the density theorem

A detail in the proof of the Yoneda lemma

The Natural Isomorphism in Yoneda Lemma

Basic Example of Yoneda Lemma?

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