%   ORIGINAL: h4/pred__set/DISJOINT__INSERT_27
% 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/pred__set/DISJOINT__SYM: !t s. h4/pred__set/DISJOINT s t <=> h4/pred__set/DISJOINT t s
% Assm: h4/pred__set/DISJOINT__INSERT: !x t s. h4/pred__set/DISJOINT (h4/pred__set/INSERT x s) t <=> h4/pred__set/DISJOINT s t /\ ~h4/bool/IN x t
% Goal: !x t s. h4/pred__set/DISJOINT t (h4/pred__set/INSERT x s) <=> h4/pred__set/DISJOINT t s /\ ~h4/bool/IN x t
%   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_predu_u_sets_DISJOINTu_u_SYM]: !t s. h4/pred__set/DISJOINT s t <=> h4/pred__set/DISJOINT t s
% Assm [h4s_predu_u_sets_DISJOINTu_u_INSERT]: !x t s. h4/pred__set/DISJOINT (h4/pred__set/INSERT x s) t <=> h4/pred__set/DISJOINT s t /\ ~h4/bool/IN x t
% Goal: !x t s. h4/pred__set/DISJOINT t (h4/pred__set/INSERT x s) <=> h4/pred__set/DISJOINT t s /\ ~h4/bool/IN x t
fof(aHLu_TRUTH, axiom, p(s(t_bool,t0))).
fof(aHLu_FALSITY, axiom, ~ (p(s(t_bool,f)))).
fof(aHLu_BOOLu_CASES, axiom, ![V_t]: (s(t_bool,V_t) = s(t_bool,t0) | s(t_bool,V_t) = s(t_bool,f))).
fof(aHLu_EXT, axiom, ![TV_Q148975,TV_Q148971]: ![V_f, V_g]: (![V_x]: s(TV_Q148971,happ(s(t_fun(TV_Q148975,TV_Q148971),V_f),s(TV_Q148975,V_x))) = s(TV_Q148971,happ(s(t_fun(TV_Q148975,TV_Q148971),V_g),s(TV_Q148975,V_x))) => s(t_fun(TV_Q148975,TV_Q148971),V_f) = s(t_fun(TV_Q148975,TV_Q148971),V_g))).
fof(ah4s_predu_u_sets_DISJOINTu_u_SYM, axiom, ![TV_u_27a]: ![V_t, V_s]: s(t_bool,h4s_predu_u_sets_disjoint(s(t_fun(TV_u_27a,t_bool),V_s),s(t_fun(TV_u_27a,t_bool),V_t))) = s(t_bool,h4s_predu_u_sets_disjoint(s(t_fun(TV_u_27a,t_bool),V_t),s(t_fun(TV_u_27a,t_bool),V_s)))).
fof(ah4s_predu_u_sets_DISJOINTu_u_INSERT, axiom, ![TV_u_27a]: ![V_x, V_t, V_s]: (p(s(t_bool,h4s_predu_u_sets_disjoint(s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_insert(s(TV_u_27a,V_x),s(t_fun(TV_u_27a,t_bool),V_s))),s(t_fun(TV_u_27a,t_bool),V_t)))) <=> (p(s(t_bool,h4s_predu_u_sets_disjoint(s(t_fun(TV_u_27a,t_bool),V_s),s(t_fun(TV_u_27a,t_bool),V_t)))) & ~ (p(s(t_bool,h4s_bools_in(s(TV_u_27a,V_x),s(t_fun(TV_u_27a,t_bool),V_t)))))))).
fof(ch4s_predu_u_sets_DISJOINTu_u_INSERTu_27, conjecture, ![TV_u_27a]: ![V_x, V_t, V_s]: (p(s(t_bool,h4s_predu_u_sets_disjoint(s(t_fun(TV_u_27a,t_bool),V_t),s(t_fun(TV_u_27a,t_bool),h4s_predu_u_sets_insert(s(TV_u_27a,V_x),s(t_fun(TV_u_27a,t_bool),V_s)))))) <=> (p(s(t_bool,h4s_predu_u_sets_disjoint(s(t_fun(TV_u_27a,t_bool),V_t),s(t_fun(TV_u_27a,t_bool),V_s)))) & ~ (p(s(t_bool,h4s_bools_in(s(TV_u_27a,V_x),s(t_fun(TV_u_27a,t_bool),V_t)))))))).
