fact: Definition pull_sumbool_rect_dep {L R A B} (P : forall b : sumbool L R, A b -> B b) (a : forall x, A (left x)) (a' : forall x, A (right x)) b : P b (sumbool_rect A a a' b) = sumbool_rect B (fun x => P _ (a x)) (fun x => P _ (a' x)) b := match b with left _ => eq_refl | right _ => eq_refl end.
imports: Fiat.Common.Coq__8_4__8_5__Compat