fact: Definition isequiv_conn_ino_map {A B : Type} (f : A -> B) `{IsConnMap O _ _ f} `{MapIn O _ _ f} : IsEquiv f.
imports: HoTT.Basics HoTT.Types Equiv.BiInv Extensions HProp HFiber NullHomotopy Limits.Pullback PathAny Colimits.Pushout