[Merged by Bors] - feat: more properties of homology in preadditive categories#7817
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[Merged by Bors] - feat: more properties of homology in preadditive categories#7817
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Note: I have pushed an update to the lean toolchain because this PR was on a buggy version of the toolchain. WARNING: checking out old commits of this PR using v4.2.0-rc2 or v4.2.0-rc3 can cause |
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This PR also introduces the notion of homotopy of morphisms between short complexes in preadditive categories. Co-authored-by: Mario Carneiro <[email protected]>
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This PR also introduces the notion of homotopy of morphisms between short complexes in preadditive categories. Co-authored-by: Mario Carneiro <[email protected]>
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This PR also introduces the notion of homotopy of morphisms between short complexes in preadditive categories.