- [ cases f; cases x1;
- (* senza questa change, universe inconsistency *)
- change in ⊢ (? ? (λ_:%.?)) with (carr I);
- exists [apply w1] exists [apply w] assumption;
- | cases e; cases x; exists; [apply w1]
- [ assumption
- | (* senza questa change, universe inconsistency *)
- whd; change in ⊢ (? ? (λ_:%.?)) with (carr I);
- exists; [apply w] assumption]]
+ [ cases f; cases x1; exists [apply w1] exists [apply w] assumption;
+ | cases e; cases x; exists; [apply w1] [ assumption | exists; [apply w] assumption]]