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Commit 2021-12-16 08:30 87e2f24b

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feat(category_theory/adjunction/evaluation): Evaluation has a left and a right adjoint. (#10793)

Estimated changes

Created src/category_theory/adjunction/evaluation.lean

added def category_theory.evaluation_adjunction_left

added def category_theory.evaluation_adjunction_right

added def category_theory.evaluation_left_adjoint

added def category_theory.evaluation_right_adjoint

added theorem category_theory.nat_trans.epi_iff_app_epi

added theorem category_theory.nat_trans.mono_iff_app_mono