%   ORIGINAL: h4/words/WORD__SUB__ADD2
% Assm: HL_TRUTH: T
% Assm: HL_FALSITY: ~F
% Assm: HL_BOOL_CASES: !t. (t <=> T) \/ (t <=> F)
% Assm: HL_EXT: !f g. (!x. f x = g x) ==> f = g
% Assm: h4/bool/TRUTH: T
% Assm: h4/bool/FORALL__SIMP: !t. (!x. t) <=> t
% Assm: h4/bool/REFL__CLAUSE: !x. x = x <=> T
% Assm: h4/bool/EQ__SYM__EQ: !y x. x = y <=> y = x
% Assm: h4/words/WORD__ADD__0_c1: !w. h4/words/word__add (h4/words/n2w h4/num/0) w = w
% Assm: h4/words/WORD__ADD__SUB__ASSOC: !x w v. h4/words/word__sub (h4/words/word__add v w) x = h4/words/word__add v (h4/words/word__sub w x)
% Assm: h4/words/WORD__ADD__SUB__SYM: !x w v. h4/words/word__sub (h4/words/word__add v w) x = h4/words/word__add (h4/words/word__sub v x) w
% Assm: h4/words/WORD__SUB__REFL: !w. h4/words/word__sub w w = h4/words/n2w h4/num/0
% Goal: !w v. h4/words/word__add v (h4/words/word__sub w v) = w
%   PROCESSED
% Assm [HLu_TRUTH]: T
% Assm [HLu_FALSITY]: ~F
% Assm [HLu_BOOLu_CASES]: !t. (t <=> T) \/ (t <=> F)
% Assm [HLu_EXT]: !f g. (!x. happ f x = happ g x) ==> f = g
% Assm [h4s_bools_TRUTH]: T
% Assm [h4s_bools_FORALLu_u_SIMP]: !t. (!x. t) <=> t
% Assm [h4s_bools_REFLu_u_CLAUSE]: !x. x = x <=> T
% Assm [h4s_bools_EQu_u_SYMu_u_EQ]: !y x. x = y <=> y = x
% Assm [h4s_wordss_WORDu_u_ADDu_u_0u_c1]: !w. h4/words/word__add (h4/words/n2w h4/num/0) w = w
% Assm [h4s_wordss_WORDu_u_ADDu_u_SUBu_u_ASSOC]: !x w v. h4/words/word__sub (h4/words/word__add v w) x = h4/words/word__add v (h4/words/word__sub w x)
% Assm [h4s_wordss_WORDu_u_ADDu_u_SUBu_u_SYM]: !x w v. h4/words/word__sub (h4/words/word__add v w) x = h4/words/word__add (h4/words/word__sub v x) w
% Assm [h4s_wordss_WORDu_u_SUBu_u_REFL]: !w. h4/words/word__sub w w = h4/words/n2w h4/num/0
% Goal: !w v. h4/words/word__add v (h4/words/word__sub w v) = w
fof(aHLu_TRUTH, axiom, p(s(t_bool,t))).
fof(aHLu_FALSITY, axiom, ~ (p(s(t_bool,f)))).
fof(aHLu_BOOLu_CASES, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t) | s(t_bool,V_t) = s(t_bool,f))).
fof(aHLu_EXT, axiom, ![TV_Q122752,TV_Q122748]: ![V_f, V_g]: (![V_x]: s(TV_Q122748,happ(s(t_fun(TV_Q122752,TV_Q122748),V_f),s(TV_Q122752,V_x))) = s(TV_Q122748,happ(s(t_fun(TV_Q122752,TV_Q122748),V_g),s(TV_Q122752,V_x))) => s(t_fun(TV_Q122752,TV_Q122748),V_f) = s(t_fun(TV_Q122752,TV_Q122748),V_g))).
fof(ah4s_bools_TRUTH, axiom, p(s(t_bool,t))).
fof(ah4s_bools_FORALLu_u_SIMP, axiom, ![TV_u_27a]: ![V_t]: (![V_x]: p(s(t_bool,V_t)) <=> p(s(t_bool,V_t)))).
fof(ah4s_bools_REFLu_u_CLAUSE, axiom, ![TV_u_27a]: ![V_x]: (s(TV_u_27a,V_x) = s(TV_u_27a,V_x) <=> p(s(t_bool,t)))).
fof(ah4s_bools_EQu_u_SYMu_u_EQ, axiom, ![TV_u_27a]: ![V_y, V_x]: (s(TV_u_27a,V_x) = s(TV_u_27a,V_y) <=> s(TV_u_27a,V_y) = s(TV_u_27a,V_x))).
fof(ah4s_wordss_WORDu_u_ADDu_u_0u_c1, axiom, ![TV_u_27a]: ![V_w]: s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_add(s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_n2w(s(t_h4s_nums_num,h4s_nums_0))),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w))) = s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w)).
fof(ah4s_wordss_WORDu_u_ADDu_u_SUBu_u_ASSOC, axiom, ![TV_u_27a]: ![V_x, V_w, V_v]: s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_sub(s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_add(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_v),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w))),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_x))) = s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_add(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_v),s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_sub(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_x)))))).
fof(ah4s_wordss_WORDu_u_ADDu_u_SUBu_u_SYM, axiom, ![TV_u_27a]: ![V_x, V_w, V_v]: s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_sub(s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_add(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_v),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w))),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_x))) = s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_add(s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_sub(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_v),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_x))),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w)))).
fof(ah4s_wordss_WORDu_u_SUBu_u_REFL, axiom, ![TV_u_27a]: ![V_w]: s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_sub(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w))) = s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_n2w(s(t_h4s_nums_num,h4s_nums_0)))).
fof(ch4s_wordss_WORDu_u_SUBu_u_ADD2, conjecture, ![TV_u_27a]: ![V_w, V_v]: s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_add(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_v),s(t_h4s_fcps_cart(t_bool,TV_u_27a),h4s_wordss_wordu_u_sub(s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w),s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_v))))) = s(t_h4s_fcps_cart(t_bool,TV_u_27a),V_w)).
