----- Otter 3.0.4, August 1995 ----- The job was started by mccune on gyro, Thu Nov 2 00:23:11 1995 ----> UNIT CONFLICT at 55.76 sec ----> 72 [binary,70.1,13.1] -> . Length of proof is 5. Level of proof is 4. ---------------- PROOF ---------------- 1 [] -> x=x. 2 [] x*y=z, u*v=z, x*w=v6, v7*v=v6 -> u*w=v7*y. 4,3 [] -> (x*e)*e=x. 6,5 [] -> e* (e*x)=x. 7 [] -> C4*A=C3*B. 9 [] -> C2*A=C1*B. 11 [] -> C4*F=C3*E. 13 [] C2*F=C1*E -> . 20 [hyper,2,1.1,3.1,5.1,1.1] -> ((e*x)*e)* (e* (y*e))=y*x. 22 [hyper,2,5.1,1.1,1.1,3.1] -> x*y= ((e*y)*e)* (e* (x*e)). 39 [hyper,2,11.1,20.1,7.1,20.1] -> ((e*E)*e)*A= ((e*B)*e)*F. 60 [hyper,2,20.1,9.1,1.1,39.1,flip.1] -> ((e*E)*e)* (e* (C1*e))=C2*F. 70 [para_into,60.1.1,22.1.1,demod,6,4,4,6,flip.1] -> C2*F=C1*E. 72 [binary,70.1,13.1] -> . ------------ end of proof -------------