fact: Definition O_inverts_from_isequiv_precompose `{Funext} {A B : Type} (f : A -> B) (e : forall (Z:Type), In O Z -> IsEquiv (fun g:B->Z => g o f)) : O_inverts f.
imports: HoTT.Basics HoTT.Types Equiv.BiInv Extensions HProp HFiber NullHomotopy Limits.Pullback PathAny Colimits.Pushout