%   ORIGINAL: h4/frac/FRAC__SGN__CALCULATE
% 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/REFL__CLAUSE: !x. x = x <=> T
% Assm: h4/frac/frac__sgn__def: !f1. h4/frac/frac__sgn f1 = h4/intExtension/SGN (h4/frac/frac__nmr f1)
% Assm: h4/frac/NMR: !b a. h4/integer/int__lt (h4/integer/int__of__num h4/num/0) b ==> h4/frac/frac__nmr (h4/frac/abs__frac (h4/pair/_2C a b)) = a
% Goal: !b1 a1. h4/integer/int__lt (h4/integer/int__of__num h4/num/0) b1 ==> h4/frac/frac__sgn (h4/frac/abs__frac (h4/pair/_2C a1 b1)) = h4/intExtension/SGN a1
%   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_REFLu_u_CLAUSE]: !x. x = x <=> T
% Assm [h4s_fracs_fracu_u_sgnu_u_def]: !f1. h4/frac/frac__sgn f1 = h4/intExtension/SGN (h4/frac/frac__nmr f1)
% Assm [h4s_fracs_NMR]: !b a. h4/integer/int__lt (h4/integer/int__of__num h4/num/0) b ==> h4/frac/frac__nmr (h4/frac/abs__frac (h4/pair/_2C a b)) = a
% Goal: !b1 a1. h4/integer/int__lt (h4/integer/int__of__num h4/num/0) b1 ==> h4/frac/frac__sgn (h4/frac/abs__frac (h4/pair/_2C a1 b1)) = h4/intExtension/SGN a1
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_Q199497,TV_Q199493]: ![V_f, V_g]: (![V_x]: s(TV_Q199493,happ(s(t_fun(TV_Q199497,TV_Q199493),V_f),s(TV_Q199497,V_x))) = s(TV_Q199493,happ(s(t_fun(TV_Q199497,TV_Q199493),V_g),s(TV_Q199497,V_x))) => s(t_fun(TV_Q199497,TV_Q199493),V_f) = s(t_fun(TV_Q199497,TV_Q199493),V_g))).
fof(ah4s_bools_TRUTH, axiom, p(s(t_bool,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_fracs_fracu_u_sgnu_u_def, axiom, ![V_f1]: s(t_h4s_integers_int,h4s_fracs_fracu_u_sgn(s(t_h4s_fracs_frac,V_f1))) = s(t_h4s_integers_int,h4s_intextensions_sgn(s(t_h4s_integers_int,h4s_fracs_fracu_u_nmr(s(t_h4s_fracs_frac,V_f1)))))).
fof(ah4s_fracs_NMR, axiom, ![V_b, V_a]: (p(s(t_bool,h4s_integers_intu_u_lt(s(t_h4s_integers_int,h4s_integers_intu_u_ofu_u_num(s(t_h4s_nums_num,h4s_nums_0))),s(t_h4s_integers_int,V_b)))) => s(t_h4s_integers_int,h4s_fracs_fracu_u_nmr(s(t_h4s_fracs_frac,h4s_fracs_absu_u_frac(s(t_h4s_pairs_prod(t_h4s_integers_int,t_h4s_integers_int),h4s_pairs_u_2c(s(t_h4s_integers_int,V_a),s(t_h4s_integers_int,V_b))))))) = s(t_h4s_integers_int,V_a))).
fof(ch4s_fracs_FRACu_u_SGNu_u_CALCULATE, conjecture, ![V_b1, V_a1]: (p(s(t_bool,h4s_integers_intu_u_lt(s(t_h4s_integers_int,h4s_integers_intu_u_ofu_u_num(s(t_h4s_nums_num,h4s_nums_0))),s(t_h4s_integers_int,V_b1)))) => s(t_h4s_integers_int,h4s_fracs_fracu_u_sgn(s(t_h4s_fracs_frac,h4s_fracs_absu_u_frac(s(t_h4s_pairs_prod(t_h4s_integers_int,t_h4s_integers_int),h4s_pairs_u_2c(s(t_h4s_integers_int,V_a1),s(t_h4s_integers_int,V_b1))))))) = s(t_h4s_integers_int,h4s_intextensions_sgn(s(t_h4s_integers_int,V_a1))))).
