% Mizar problem: t63_xcmplx_1,xcmplx_1,474,5 
fof(t63_xcmplx_1, conjecture,  (! [A] :  (v1_xcmplx_0(A) =>  (! [B] :  (v1_xcmplx_0(B) =>  (! [C] :  (v1_xcmplx_0(C) =>  (! [D] :  (v1_xcmplx_0(D) => k7_xcmplx_0(k2_xcmplx_0(k2_xcmplx_0(A, B), D), C)=k2_xcmplx_0(k2_xcmplx_0(k7_xcmplx_0(A, C), k7_xcmplx_0(B, C)), k7_xcmplx_0(D, C))) ) ) ) ) ) ) ) ).
fof(commutativity_k2_xcmplx_0, axiom,  (! [A, B] :  ( (v1_xcmplx_0(A) & v1_xcmplx_0(B))  => k2_xcmplx_0(A, B)=k2_xcmplx_0(B, A)) ) ).
fof(dt_k2_xcmplx_0, axiom, $true).
fof(dt_k7_xcmplx_0, axiom, $true).
fof(fc2_xcmplx_0, axiom,  (! [A, B] :  ( (v1_xcmplx_0(A) & v1_xcmplx_0(B))  => v1_xcmplx_0(k2_xcmplx_0(A, B))) ) ).
fof(fc5_xcmplx_0, axiom,  (! [A, B] :  ( (v1_xcmplx_0(A) & v1_xcmplx_0(B))  => v1_xcmplx_0(k7_xcmplx_0(A, B))) ) ).
fof(rc1_xcmplx_0, axiom,  (? [A] : v1_xcmplx_0(A)) ).
fof(rc2_xcmplx_0, axiom,  (? [A] : v1_xcmplx_0(A)) ).
fof(spc6_arithm, axiom,  (! [A, B, C] :  ( (v1_xcmplx_0(A) &  (v1_xcmplx_0(B) & v1_xcmplx_0(C)) )  => k2_xcmplx_0(k2_xcmplx_0(A, B), C)=k2_xcmplx_0(A, k2_xcmplx_0(B, C))) ) ).
fof(t62_xcmplx_1, axiom,  (! [A] :  (v1_xcmplx_0(A) =>  (! [B] :  (v1_xcmplx_0(B) =>  (! [C] :  (v1_xcmplx_0(C) => k2_xcmplx_0(k7_xcmplx_0(A, C), k7_xcmplx_0(B, C))=k7_xcmplx_0(k2_xcmplx_0(A, B), C)) ) ) ) ) ) ).
