# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:p(s(t_bool,h4s_relations_invol(s(t_fun(t_fun(X1,t_fun(X1,t_bool)),t_fun(X1,t_fun(X1,t_bool))),h4s_relations_inv)))),file('i/f/relation/inv__INVOL', ch4s_relations_invu_u_INVOL)).
fof(2, axiom,p(s(t_bool,t)),file('i/f/relation/inv__INVOL', aHLu_TRUTH)).
fof(3, axiom,~(p(s(t_bool,f))),file('i/f/relation/inv__INVOL', aHLu_FALSITY)).
fof(7, axiom,![X4]:![X5]:(p(s(t_bool,h4s_relations_invol(s(t_fun(X4,X4),X5))))<=>![X3]:s(X4,happ(s(t_fun(X4,X4),X5),s(X4,happ(s(t_fun(X4,X4),X5),s(X4,X3)))))=s(X4,X3)),file('i/f/relation/inv__INVOL', ah4s_relations_INVOL0)).
fof(8, axiom,![X2]:(s(t_bool,X2)=s(t_bool,t)|s(t_bool,X2)=s(t_bool,f)),file('i/f/relation/inv__INVOL', aHLu_BOOLu_CASES)).
fof(10, axiom,![X1]:![X9]:s(t_fun(X1,t_fun(X1,t_bool)),happ(s(t_fun(t_fun(X1,t_fun(X1,t_bool)),t_fun(X1,t_fun(X1,t_bool))),h4s_relations_inv),s(t_fun(X1,t_fun(X1,t_bool)),happ(s(t_fun(t_fun(X1,t_fun(X1,t_bool)),t_fun(X1,t_fun(X1,t_bool))),h4s_relations_inv),s(t_fun(X1,t_fun(X1,t_bool)),X9)))))=s(t_fun(X1,t_fun(X1,t_bool)),X9),file('i/f/relation/inv__INVOL', ah4s_relations_invu_u_inv)).
# SZS output end CNFRefutation
