-set "baseuri" "cic:/matita/TPTP/GRP612-1".
+
include "logic/equality.ma".
(* Inclusion of: GRP612-1.p *)
(* -------------------------------------------------------------------------- *)
\forall H1:\forall A:Univ.\forall B:Univ.\forall C:Univ.eq Univ (inverse (double_divide (inverse (double_divide (inverse (double_divide A B)) C)) (double_divide A C))) B.eq Univ (multiply a b) (multiply b a)
.
intros.
-auto paramodulation timeout=600.
+autobatch paramodulation timeout=100;
try assumption.
print proofterm.
qed.