# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:((~(s(t_h4s_extreals_extreal,X1)=s(t_h4s_extreals_extreal,h4s_extreals_neginf))&~(s(t_h4s_extreals_extreal,X1)=s(t_h4s_extreals_extreal,h4s_extreals_posinf)))=>(s(t_h4s_extreals_extreal,X3)=s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_sub(s(t_h4s_extreals_extreal,X2),s(t_h4s_extreals_extreal,X1)))<=>s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_add(s(t_h4s_extreals_extreal,X3),s(t_h4s_extreals_extreal,X1)))=s(t_h4s_extreals_extreal,X2))),file('i/f/extreal/eq__sub__ladd', ch4s_extreals_equ_u_subu_u_ladd)).
fof(29, axiom,![X2]:![X3]:((~(s(t_h4s_extreals_extreal,X2)=s(t_h4s_extreals_extreal,h4s_extreals_neginf))&~(s(t_h4s_extreals_extreal,X2)=s(t_h4s_extreals_extreal,h4s_extreals_posinf)))=>s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_add(s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_sub(s(t_h4s_extreals_extreal,X3),s(t_h4s_extreals_extreal,X2))),s(t_h4s_extreals_extreal,X2)))=s(t_h4s_extreals_extreal,X3)),file('i/f/extreal/eq__sub__ladd', ah4s_extreals_subu_u_add)).
fof(31, axiom,![X2]:![X3]:((~(s(t_h4s_extreals_extreal,X2)=s(t_h4s_extreals_extreal,h4s_extreals_neginf))&~(s(t_h4s_extreals_extreal,X2)=s(t_h4s_extreals_extreal,h4s_extreals_posinf)))=>s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_sub(s(t_h4s_extreals_extreal,h4s_extreals_extrealu_u_add(s(t_h4s_extreals_extreal,X3),s(t_h4s_extreals_extreal,X2))),s(t_h4s_extreals_extreal,X2)))=s(t_h4s_extreals_extreal,X3)),file('i/f/extreal/eq__sub__ladd', ah4s_extreals_addu_u_sub)).
# SZS output end CNFRefutation
