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Commit 2020-09-06 23:47 4662b203

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feat(category_theory): definition of diag in binary_products (#4051)

Estimated changes

Modified src/category_theory/limits/shapes/binary_products.lean

added def category_theory.limits.codiag

added theorem category_theory.limits.coprod.map_codiag

added theorem category_theory.limits.coprod.map_comp_codiag

added theorem category_theory.limits.coprod.map_comp_inl_inr_codiag

added theorem category_theory.limits.coprod.map_inl_inr_codiag

added def category_theory.limits.diag

added theorem category_theory.limits.prod.diag_map

added theorem category_theory.limits.prod.diag_map_comp

added theorem category_theory.limits.prod.diag_map_fst_snd

added theorem category_theory.limits.prod.diag_map_fst_snd_comp