fact: Definition triangle_id_left_ad {A B : category} {F : functor A B} {G : functor B A} (H : are_adjoints F G) : ∏ a, # F (unit_from_are_adjoints H a) · counit_from_are_adjoints H (F a) = identity (F a) := pr1 (pr2 H).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Epis UniMath.CategoryTheory.Epis UniMath.CategoryTheory.SplitMonicsAndEpis UniMath.CategoryTheory.Monics UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.whiskering