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Commit 2020-05-26 00:59 4b616e6d

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feat(category_theory/limits): transport lemmas for kernels (#2779)

Estimated changes

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

added def category_theory.limits.cokernel.cokernel_iso

added def category_theory.limits.cokernel.of_iso_comp

added def category_theory.limits.is_cokernel.cokernel_iso

added def category_theory.limits.is_cokernel.of_iso_comp

added def category_theory.limits.is_kernel.iso_kernel

added def category_theory.limits.is_kernel.of_comp_iso

added def category_theory.limits.kernel.iso_kernel

added def category_theory.limits.kernel.of_comp_iso