Floris van Doorn
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afdcf7cb71
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backport some changes from lean 3
ap_compose' is reversed, and is_trunc_equiv_closed and variants don't have a type class argument anymore
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2018-09-10 17:05:29 +02:00 |
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Floris van Doorn
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ddec6f77ee
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feat(category.pushout): finish second way of formulating universal property
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2016-09-18 02:13:03 -04:00 |
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Floris van Doorn
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fd5adb831b
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feat(category.pushout): finish universal property of pushout
In the previous commit there was still one step missing: that the natural isomorphisms are also unique.
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2016-09-17 17:05:46 -04:00 |
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Floris van Doorn
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fe1fbae540
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feat(category.pushout): give the universal property of the pushout of categories
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2016-09-17 17:05:46 -04:00 |
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Floris van Doorn
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fcf06ae2f5
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feat(vankampen): prove the van Kampen theorem with basepoints
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2016-07-09 10:20:21 -07:00 |
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Floris van Doorn
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735230ad07
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feat(hott): small changes, simplify van Kampen
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2016-07-09 10:20:21 -07:00 |
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Floris van Doorn
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e96e4a677d
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feat(homotopy): prove the naive Seifert-Van Kampen theorem
Also define the pushout of categories and the pushout of groupoids
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2016-07-09 10:20:21 -07:00 |
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Floris van Doorn
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61848c4a2e
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feat(hott): define pushout of groupoids
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2016-07-09 10:20:21 -07:00 |
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