%   ORIGINAL: h4/topology/BALL__OPEN
% 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/AND__CLAUSES_c0: !t. T /\ t <=> t
% Assm: h4/bool/EQ__SYM__EQ: !y x. x = y <=> y = x
% Assm: h4/bool/EQ__CLAUSES_c1: !t. (t <=> T) <=> t
% Assm: h4/real/REAL__ADD__SYM: !y x. h4/realax/real__add x y = h4/realax/real__add y x
% Assm: h4/real/REAL__LET__TRANS: !z y x. h4/real/real__lte x y /\ h4/realax/real__lt y z ==> h4/realax/real__lt x z
% Assm: h4/real/REAL__SUB__LT: !y x. h4/realax/real__lt (h4/real/real__of__num h4/num/0) (h4/real/real__sub x y) <=> h4/realax/real__lt y x
% Assm: h4/real/REAL__LT__SUB__LADD: !z y x. h4/realax/real__lt x (h4/real/real__sub y z) <=> h4/realax/real__lt (h4/realax/real__add x z) y
% Assm: h4/topology/METRIC__TRIANGLE: !z y x m. h4/real/real__lte (h4/topology/dist m (h4/pair/_2C x z)) (h4/realax/real__add (h4/topology/dist m (h4/pair/_2C x y)) (h4/topology/dist m (h4/pair/_2C y z)))
% Assm: h4/topology/MTOP__OPEN: !m S_27. h4/topology/open (h4/topology/mtop m) S_27 <=> (!x. S_27 x ==> (?e. h4/realax/real__lt (h4/real/real__of__num h4/num/0) e /\ (!y. h4/realax/real__lt (h4/topology/dist m (h4/pair/_2C x y)) e ==> S_27 y)))
% Assm: h4/topology/ball: !x m e. h4/topology/B m (h4/pair/_2C x e) = (\y. h4/realax/real__lt (h4/topology/dist m (h4/pair/_2C x y)) e)
% Goal: !x m e. h4/realax/real__lt (h4/real/real__of__num h4/num/0) e ==> h4/topology/open (h4/topology/mtop m) (h4/topology/B m (h4/pair/_2C x e))
%   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_ANDu_u_CLAUSESu_c0]: !t. T /\ t <=> t
% Assm [h4s_bools_EQu_u_SYMu_u_EQ]: !y x. x = y <=> y = x
% Assm [h4s_bools_EQu_u_CLAUSESu_c1]: !t. (t <=> T) <=> t
% Assm [h4s_reals_REALu_u_ADDu_u_SYM]: !y x. h4/realax/real__add x y = h4/realax/real__add y x
% Assm [h4s_reals_REALu_u_LETu_u_TRANS]: !z y x. h4/real/real__lte x y /\ h4/realax/real__lt y z ==> h4/realax/real__lt x z
% Assm [h4s_reals_REALu_u_SUBu_u_LT]: !y x. h4/realax/real__lt (h4/real/real__of__num h4/num/0) (h4/real/real__sub x y) <=> h4/realax/real__lt y x
% Assm [h4s_reals_REALu_u_LTu_u_SUBu_u_LADD]: !z y x. h4/realax/real__lt x (h4/real/real__sub y z) <=> h4/realax/real__lt (h4/realax/real__add x z) y
% Assm [h4s_topologys_METRICu_u_TRIANGLE]: !z y x m. h4/real/real__lte (h4/topology/dist m (h4/pair/_2C x z)) (h4/realax/real__add (h4/topology/dist m (h4/pair/_2C x y)) (h4/topology/dist m (h4/pair/_2C y z)))
% Assm [h4s_topologys_MTOPu_u_OPEN]: !m S_27. h4/topology/open (h4/topology/mtop m) S_27 <=> (!x. happ S_27 x ==> (?e. h4/realax/real__lt (h4/real/real__of__num h4/num/0) e /\ (!y. h4/realax/real__lt (h4/topology/dist m (h4/pair/_2C x y)) e ==> happ S_27 y)))
% Assm [h4s_topologys_ball]: !x m e x'. happ (h4/topology/B m (h4/pair/_2C x e)) x' <=> h4/realax/real__lt (h4/topology/dist m (h4/pair/_2C x x')) e
% Goal: !x m e. h4/realax/real__lt (h4/real/real__of__num h4/num/0) e ==> h4/topology/open (h4/topology/mtop m) (h4/topology/B m (h4/pair/_2C x e))
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_Q352452,TV_Q352448]: ![V_f, V_g]: (![V_x]: s(TV_Q352448,happ(s(t_fun(TV_Q352452,TV_Q352448),V_f),s(TV_Q352452,V_x))) = s(TV_Q352448,happ(s(t_fun(TV_Q352452,TV_Q352448),V_g),s(TV_Q352452,V_x))) => s(t_fun(TV_Q352452,TV_Q352448),V_f) = s(t_fun(TV_Q352452,TV_Q352448),V_g))).
fof(ah4s_bools_TRUTH, axiom, p(s(t_bool,t))).
fof(ah4s_bools_ANDu_u_CLAUSESu_c0, axiom, ![V_t]: ((p(s(t_bool,t)) & p(s(t_bool,V_t))) <=> p(s(t_bool,V_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_bools_EQu_u_CLAUSESu_c1, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t) <=> p(s(t_bool,V_t)))).
fof(ah4s_reals_REALu_u_ADDu_u_SYM, axiom, ![V_y, V_x]: s(t_h4s_realaxs_real,h4s_realaxs_realu_u_add(s(t_h4s_realaxs_real,V_x),s(t_h4s_realaxs_real,V_y))) = s(t_h4s_realaxs_real,h4s_realaxs_realu_u_add(s(t_h4s_realaxs_real,V_y),s(t_h4s_realaxs_real,V_x)))).
fof(ah4s_reals_REALu_u_LETu_u_TRANS, axiom, ![V_z, V_y, V_x]: ((p(s(t_bool,h4s_reals_realu_u_lte(s(t_h4s_realaxs_real,V_x),s(t_h4s_realaxs_real,V_y)))) & p(s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,V_y),s(t_h4s_realaxs_real,V_z))))) => p(s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,V_x),s(t_h4s_realaxs_real,V_z)))))).
fof(ah4s_reals_REALu_u_SUBu_u_LT, axiom, ![V_y, V_x]: s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,h4s_reals_realu_u_ofu_u_num(s(t_h4s_nums_num,h4s_nums_0))),s(t_h4s_realaxs_real,h4s_reals_realu_u_sub(s(t_h4s_realaxs_real,V_x),s(t_h4s_realaxs_real,V_y))))) = s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,V_y),s(t_h4s_realaxs_real,V_x)))).
fof(ah4s_reals_REALu_u_LTu_u_SUBu_u_LADD, axiom, ![V_z, V_y, V_x]: s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,V_x),s(t_h4s_realaxs_real,h4s_reals_realu_u_sub(s(t_h4s_realaxs_real,V_y),s(t_h4s_realaxs_real,V_z))))) = s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,h4s_realaxs_realu_u_add(s(t_h4s_realaxs_real,V_x),s(t_h4s_realaxs_real,V_z))),s(t_h4s_realaxs_real,V_y)))).
fof(ah4s_topologys_METRICu_u_TRIANGLE, axiom, ![TV_u_27a]: ![V_z, V_y, V_x, V_m]: p(s(t_bool,h4s_reals_realu_u_lte(s(t_h4s_realaxs_real,h4s_topologys_dist(s(t_h4s_topologys_metric(TV_u_27a),V_m),s(t_h4s_pairs_prod(TV_u_27a,TV_u_27a),h4s_pairs_u_2c(s(TV_u_27a,V_x),s(TV_u_27a,V_z))))),s(t_h4s_realaxs_real,h4s_realaxs_realu_u_add(s(t_h4s_realaxs_real,h4s_topologys_dist(s(t_h4s_topologys_metric(TV_u_27a),V_m),s(t_h4s_pairs_prod(TV_u_27a,TV_u_27a),h4s_pairs_u_2c(s(TV_u_27a,V_x),s(TV_u_27a,V_y))))),s(t_h4s_realaxs_real,h4s_topologys_dist(s(t_h4s_topologys_metric(TV_u_27a),V_m),s(t_h4s_pairs_prod(TV_u_27a,TV_u_27a),h4s_pairs_u_2c(s(TV_u_27a,V_y),s(TV_u_27a,V_z))))))))))).
fof(ah4s_topologys_MTOPu_u_OPEN, axiom, ![TV_u_27a]: ![V_m, V_Su_27]: (p(s(t_bool,h4s_topologys_open(s(t_h4s_topologys_topology(TV_u_27a),h4s_topologys_mtop(s(t_h4s_topologys_metric(TV_u_27a),V_m))),s(t_fun(TV_u_27a,t_bool),V_Su_27)))) <=> ![V_x]: (p(s(t_bool,happ(s(t_fun(TV_u_27a,t_bool),V_Su_27),s(TV_u_27a,V_x)))) => ?[V_e]: (p(s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,h4s_reals_realu_u_ofu_u_num(s(t_h4s_nums_num,h4s_nums_0))),s(t_h4s_realaxs_real,V_e)))) & ![V_y]: (p(s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,h4s_topologys_dist(s(t_h4s_topologys_metric(TV_u_27a),V_m),s(t_h4s_pairs_prod(TV_u_27a,TV_u_27a),h4s_pairs_u_2c(s(TV_u_27a,V_x),s(TV_u_27a,V_y))))),s(t_h4s_realaxs_real,V_e)))) => p(s(t_bool,happ(s(t_fun(TV_u_27a,t_bool),V_Su_27),s(TV_u_27a,V_y))))))))).
fof(ah4s_topologys_ball, axiom, ![TV_u_27a]: ![V_x, V_m, V_e, V_xi_]: s(t_bool,happ(s(t_fun(TV_u_27a,t_bool),h4s_topologys_b(s(t_h4s_topologys_metric(TV_u_27a),V_m),s(t_h4s_pairs_prod(TV_u_27a,t_h4s_realaxs_real),h4s_pairs_u_2c(s(TV_u_27a,V_x),s(t_h4s_realaxs_real,V_e))))),s(TV_u_27a,V_xi_))) = s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,h4s_topologys_dist(s(t_h4s_topologys_metric(TV_u_27a),V_m),s(t_h4s_pairs_prod(TV_u_27a,TV_u_27a),h4s_pairs_u_2c(s(TV_u_27a,V_x),s(TV_u_27a,V_xi_))))),s(t_h4s_realaxs_real,V_e)))).
fof(ch4s_topologys_BALLu_u_OPEN, conjecture, ![TV_u_27a]: ![V_x, V_m, V_e]: (p(s(t_bool,h4s_realaxs_realu_u_lt(s(t_h4s_realaxs_real,h4s_reals_realu_u_ofu_u_num(s(t_h4s_nums_num,h4s_nums_0))),s(t_h4s_realaxs_real,V_e)))) => p(s(t_bool,h4s_topologys_open(s(t_h4s_topologys_topology(TV_u_27a),h4s_topologys_mtop(s(t_h4s_topologys_metric(TV_u_27a),V_m))),s(t_fun(TV_u_27a,t_bool),h4s_topologys_b(s(t_h4s_topologys_metric(TV_u_27a),V_m),s(t_h4s_pairs_prod(TV_u_27a,t_h4s_realaxs_real),h4s_pairs_u_2c(s(TV_u_27a,V_x),s(t_h4s_realaxs_real,V_e)))))))))).
