-set "baseuri" "cic:/matita/TPTP/GRP600-1".
+
include "logic/equality.ma".
(* Inclusion of: GRP600-1.p *)
(* -------------------------------------------------------------------------- *)
\forall H1:\forall A:Univ.\forall B:Univ.\forall C:Univ.eq Univ (double_divide (double_divide A B) (inverse (double_divide A (inverse (double_divide (inverse C) B))))) C.eq Univ (multiply a b) (multiply b a)
.
intros.
-auto paramodulation timeout=600.
+autobatch paramodulation timeout=100;
try assumption.
print proofterm.
qed.