# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:s(t_fun(X1,t_bool),h4s_predu_u_sets_delete(s(t_fun(X1,t_bool),h4s_predu_u_sets_empty),s(X1,X2)))=s(t_fun(X1,t_bool),h4s_predu_u_sets_empty),file('i/f/pred_set/EMPTY__DELETE', ch4s_predu_u_sets_EMPTYu_u_DELETE)).
fof(2, axiom,~(p(s(t_bool,f))),file('i/f/pred_set/EMPTY__DELETE', aHLu_FALSITY)).
fof(8, axiom,![X1]:![X2]:s(t_bool,happ(s(t_fun(X1,t_bool),h4s_predu_u_sets_empty),s(X1,X2)))=s(t_bool,f),file('i/f/pred_set/EMPTY__DELETE', ah4s_predu_u_sets_EMPTYu_u_DEF)).
fof(59, axiom,![X1]:![X2]:![X22]:s(t_bool,h4s_bools_in(s(X1,X2),s(t_fun(X1,t_bool),X22)))=s(t_bool,happ(s(t_fun(X1,t_bool),X22),s(X1,X2))),file('i/f/pred_set/EMPTY__DELETE', ah4s_bools_INu_u_DEF)).
fof(64, axiom,![X1]:![X2]:![X21]:(~(p(s(t_bool,h4s_bools_in(s(X1,X2),s(t_fun(X1,t_bool),X21)))))=>s(t_fun(X1,t_bool),h4s_predu_u_sets_delete(s(t_fun(X1,t_bool),X21),s(X1,X2)))=s(t_fun(X1,t_bool),X21)),file('i/f/pred_set/EMPTY__DELETE', ah4s_predu_u_sets_DELETEu_u_NONu_u_ELEMENTu_u_RWT)).
# SZS output end CNFRefutation
