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Commit 2021-07-11 14:37 bee165ab

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feat(category_theory/abelian/opposite): Adds some op-related isomorphism for (co)kernels. (#8255)

Estimated changes

Modified src/category_theory/abelian/opposite.lean

added def category_theory.cokernel_op_op

added def category_theory.cokernel_op_unop

added def category_theory.cokernel_unop_op

added def category_theory.cokernel_unop_unop

added def category_theory.kernel_op_op

added def category_theory.kernel_op_unop

added def category_theory.kernel_unop_op

added def category_theory.kernel_unop_unop