%   ORIGINAL: h4/rat/RAT__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/rat/rat__sgn__def: !r. h4/rat/rat__sgn r = h4/frac/frac__sgn (h4/rat/rep__rat r)
% Assm: h4/rat/RAT__SGN__CONG: !f1. h4/frac/frac__sgn (h4/rat/rep__rat (h4/rat/abs__rat f1)) = h4/frac/frac__sgn f1
% Goal: !f1. h4/rat/rat__sgn (h4/rat/abs__rat f1) = h4/frac/frac__sgn f1
%   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_rats_ratu_u_sgnu_u_def]: !r. h4/rat/rat__sgn r = h4/frac/frac__sgn (h4/rat/rep__rat r)
% Assm [h4s_rats_RATu_u_SGNu_u_CONG]: !f1. h4/frac/frac__sgn (h4/rat/rep__rat (h4/rat/abs__rat f1)) = h4/frac/frac__sgn f1
% Goal: !f1. h4/rat/rat__sgn (h4/rat/abs__rat f1) = h4/frac/frac__sgn f1
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_Q93323,TV_Q93319]: ![V_f, V_g]: (![V_x]: s(TV_Q93319,happ(s(t_fun(TV_Q93323,TV_Q93319),V_f),s(TV_Q93323,V_x))) = s(TV_Q93319,happ(s(t_fun(TV_Q93323,TV_Q93319),V_g),s(TV_Q93323,V_x))) => s(t_fun(TV_Q93323,TV_Q93319),V_f) = s(t_fun(TV_Q93323,TV_Q93319),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_rats_ratu_u_sgnu_u_def, axiom, ![V_r]: s(t_h4s_integers_int,h4s_rats_ratu_u_sgn(s(t_h4s_rats_rat,V_r))) = s(t_h4s_integers_int,h4s_fracs_fracu_u_sgn(s(t_h4s_fracs_frac,h4s_rats_repu_u_rat(s(t_h4s_rats_rat,V_r)))))).
fof(ah4s_rats_RATu_u_SGNu_u_CONG, axiom, ![V_f1]: s(t_h4s_integers_int,h4s_fracs_fracu_u_sgn(s(t_h4s_fracs_frac,h4s_rats_repu_u_rat(s(t_h4s_rats_rat,h4s_rats_absu_u_rat(s(t_h4s_fracs_frac,V_f1))))))) = s(t_h4s_integers_int,h4s_fracs_fracu_u_sgn(s(t_h4s_fracs_frac,V_f1)))).
fof(ch4s_rats_RATu_u_SGNu_u_CALCULATE, conjecture, ![V_f1]: s(t_h4s_integers_int,h4s_rats_ratu_u_sgn(s(t_h4s_rats_rat,h4s_rats_absu_u_rat(s(t_h4s_fracs_frac,V_f1))))) = s(t_h4s_integers_int,h4s_fracs_fracu_u_sgn(s(t_h4s_fracs_frac,V_f1)))).
