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