# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:(s(t_h4s_lists_list(t_h4s_strings_char),X2)=s(t_h4s_lists_list(t_h4s_strings_char),h4s_lists_append(s(t_h4s_lists_list(t_h4s_strings_char),X1),s(t_h4s_lists_list(t_h4s_strings_char),X2)))<=>s(t_h4s_lists_list(t_h4s_strings_char),X1)=s(t_h4s_lists_list(t_h4s_strings_char),h4s_lists_nil)),file('i/f/string/STRCAT__ACYCLIC_c1', ch4s_strings_STRCATu_u_ACYCLICu_c1)).
fof(27, axiom,![X9]:![X24]:s(t_h4s_lists_list(X9),h4s_lists_append(s(t_h4s_lists_list(X9),h4s_lists_nil),s(t_h4s_lists_list(X9),X24)))=s(t_h4s_lists_list(X9),X24),file('i/f/string/STRCAT__ACYCLIC_c1', ah4s_lists_APPEND0u_c0)).
fof(49, axiom,![X9]:![X30]:![X28]:![X29]:(s(t_h4s_lists_list(X9),h4s_lists_append(s(t_h4s_lists_list(X9),X28),s(t_h4s_lists_list(X9),X29)))=s(t_h4s_lists_list(X9),h4s_lists_append(s(t_h4s_lists_list(X9),X30),s(t_h4s_lists_list(X9),X29)))<=>s(t_h4s_lists_list(X9),X28)=s(t_h4s_lists_list(X9),X30)),file('i/f/string/STRCAT__ACYCLIC_c1', ah4s_lists_APPENDu_u_11u_c1)).
# SZS output end CNFRefutation
