fact: Definition Type_@{i j} (O : Subuniverse@{i}) : Type@{j} := @sig@{j i} Type@{i} (fun (T : Type@{i}) => In O T).
imports: HoTT.Basics HoTT.Types Equiv.BiInv Extensions HProp HFiber NullHomotopy Limits.Pullback PathAny Colimits.Pushout