# SZS status Theorem
# SZS status Theorem
# SZS output start CNFRefutation.
fof(1, conjecture,![X1]:![X2]:![X3]:p(s(t_bool,h4s_lists_isprefix(s(t_h4s_lists_list(X1),X3),s(t_h4s_lists_list(X1),h4s_lists_append(s(t_h4s_lists_list(X1),X3),s(t_h4s_lists_list(X1),X2)))))),file('i/f/rich_list/IS__PREFIX__APPEND3', ch4s_richu_u_lists_ISu_u_PREFIXu_u_APPEND3)).
fof(2, axiom,p(s(t_bool,t)),file('i/f/rich_list/IS__PREFIX__APPEND3', aHLu_TRUTH)).
fof(3, axiom,~(p(s(t_bool,f))),file('i/f/rich_list/IS__PREFIX__APPEND3', aHLu_FALSITY)).
fof(4, axiom,![X4]:(s(t_bool,X4)=s(t_bool,t)<=>p(s(t_bool,X4))),file('i/f/rich_list/IS__PREFIX__APPEND3', ah4s_bools_EQu_u_CLAUSESu_c1)).
fof(5, axiom,![X4]:(s(t_bool,X4)=s(t_bool,t)|s(t_bool,X4)=s(t_bool,f)),file('i/f/rich_list/IS__PREFIX__APPEND3', aHLu_BOOLu_CASES)).
fof(6, axiom,![X1]:![X5]:s(t_h4s_lists_list(X1),h4s_lists_append(s(t_h4s_lists_list(X1),X5),s(t_h4s_lists_list(X1),h4s_lists_nil)))=s(t_h4s_lists_list(X1),X5),file('i/f/rich_list/IS__PREFIX__APPEND3', ah4s_richu_u_lists_APPENDu_u_NILu_c0)).
fof(7, axiom,![X1]:![X5]:s(t_bool,h4s_lists_isprefix(s(t_h4s_lists_list(X1),h4s_lists_nil),s(t_h4s_lists_list(X1),X5)))=s(t_bool,t),file('i/f/rich_list/IS__PREFIX__APPEND3', ah4s_richu_u_lists_ISu_u_PREFIXu_c0)).
fof(8, axiom,![X1]:![X2]:![X6]:![X3]:s(t_bool,h4s_lists_isprefix(s(t_h4s_lists_list(X1),h4s_lists_append(s(t_h4s_lists_list(X1),X3),s(t_h4s_lists_list(X1),X6))),s(t_h4s_lists_list(X1),h4s_lists_append(s(t_h4s_lists_list(X1),X3),s(t_h4s_lists_list(X1),X2)))))=s(t_bool,h4s_lists_isprefix(s(t_h4s_lists_list(X1),X6),s(t_h4s_lists_list(X1),X2))),file('i/f/rich_list/IS__PREFIX__APPEND3', ah4s_richu_u_lists_ISu_u_PREFIXu_u_APPENDS)).
# SZS output end CNFRefutation
