fact: Definition O_rec_postcompose_to_O {A B : Type} (f : A -> B) `{In O B} : to O B o O_rec f == O_functor f := O_rec_postcompose f (to O B).
imports: HoTT.Basics HoTT.Types Equiv.BiInv Extensions HProp HFiber NullHomotopy Limits.Pullback PathAny Colimits.Pushout