00050 VAR: x,y,z,u,v,X,Y,Z,U,V;INF_OP:⊗; 00075 INF_PRED: =; EQUALITY: =; 00100 G1: x⊗x = y⊗y; 00200 G2: x⊗(y⊗y) = x; 00300 G3: x⊗(y⊗z) = z⊗(y⊗x); 00400 G4: x⊗(x⊗y) = y; 00600 G5:(x⊗z)⊗(y⊗z) = x⊗y; 00700 ;