fact: Definition baut_prod_rigid_equiv `{Univalence} (X A : Type) (n : trunc_index) `{IsTrunc n.+1 X} `{IsRigid A} `{IsConnected n.+1 A} : BAut X <~> BAut (X * A).
imports: HoTT.Basics HoTT.Types HFiber Truncations Spaces.BAut