# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:![X4]:s(X1,happ(s(t_fun(X2,X1),X3),s(X2,X4)))=s(X1,happ(s(t_fun(X2,X1),X3),s(X2,X4))),file('i/f/bool/ETA__THM', ch4s_bools_ETAu_u_THM)).
# SZS output end CNFRefutation
