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category_theory.idempotents.whiskering_left_obj_preimage_app
Modification history
2022-12-07 20:30
src/category_theory/idempotents/functor_extension.lean
feat(algebraic_topology/dold_kan): the counit isomorphism of the Dold-Kan equivalence (#17633) …
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category_theory.idempotents.whiskering_left_obj_preimage_app
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