# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:(s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_ainv(s(t_h4s_extreals_extreal,X2)))=s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_ainv(s(t_h4s_extreals_extreal,X1)))<=>s(t_h4s_extreals_extreal,X2)=s(t_h4s_extreals_extreal,X1)),file('i/f/extreal/eq__neg', ch4s_extreals_equ_u_neg)).
fof(25, axiom,![X2]:s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_ainv(s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_ainv(s(t_h4s_extreals_extreal,X2)))))=s(t_h4s_extreals_extreal,X2),file('i/f/extreal/eq__neg', ah4s_extreals_negu_u_neg)).
# SZS output end CNFRefutation
