# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:![X4]:((~(p(s(t_bool,h4s_lists_null(s(t_h4s_lists_list(X1),X3)))))&s(t_h4s_nums_num,X2)=s(t_h4s_nums_num,h4s_lists_length(s(t_h4s_lists_list(X1),X4))))=>s(X1,h4s_lists_el(s(t_h4s_nums_num,X2),s(t_h4s_lists_list(X1),h4s_lists_append(s(t_h4s_lists_list(X1),X4),s(t_h4s_lists_list(X1),X3)))))=s(X1,h4s_lists_hd(s(t_h4s_lists_list(X1),X3)))),file('i/f/rich_list/EL__LENGTH__APPEND__rwt', ch4s_richu_u_lists_ELu_u_LENGTHu_u_APPENDu_u_rwt)).
fof(2, axiom,~(p(s(t_bool,f))),file('i/f/rich_list/EL__LENGTH__APPEND__rwt', aHLu_FALSITY)).
fof(19, axiom,![X1]:![X3]:![X4]:(~(p(s(t_bool,h4s_lists_null(s(t_h4s_lists_list(X1),X3)))))=>s(X1,h4s_lists_el(s(t_h4s_nums_num,h4s_lists_length(s(t_h4s_lists_list(X1),X4))),s(t_h4s_lists_list(X1),h4s_lists_append(s(t_h4s_lists_list(X1),X4),s(t_h4s_lists_list(X1),X3)))))=s(X1,h4s_lists_hd(s(t_h4s_lists_list(X1),X3)))),file('i/f/rich_list/EL__LENGTH__APPEND__rwt', ah4s_richu_u_lists_ELu_u_LENGTHu_u_APPEND)).
fof(20, axiom,![X5]:(s(t_bool,X5)=s(t_bool,t)|s(t_bool,X5)=s(t_bool,f)),file('i/f/rich_list/EL__LENGTH__APPEND__rwt', aHLu_BOOLu_CASES)).
fof(21, axiom,p(s(t_bool,t)),file('i/f/rich_list/EL__LENGTH__APPEND__rwt', aHLu_TRUTH)).
# SZS output end CNFRefutation
