\forall H3:\forall A:Univ.\forall B:Univ.\forall C:Univ.eq Univ (divide (divide identity (divide A B)) (divide (divide B C) A)) C.eq Univ (multiply a b) (multiply b a)
.
intros.
-auto paramodulation timeout=600.
+auto paramodulation timeout=100.
try assumption.
print proofterm.
qed.