fact: Definition OO_cancelL_conn_map {Y X Z : Type} (f : Y -> X) (g : X -> Z) `{IsConnMap O' _ _ (g o f)} `{IsConnMap O' _ _ g} : IsConnMap O f.
imports: HoTT.Basics HoTT.Types HFiber Extensions Limits.Pullback Modality Accessible Localization