Lemma functor_op_rm_op_eq {C D:category} (F : C^op ⟶ D^op) : functorOp (functorRmOp F) = F. Proof. apply functor_eq. { apply homset_property. } unshelve refine (total2_paths_f _ _); reflexivity. Qed.
Require Import UniMath.MoreFoundations.Tactics.