(**********************************************************************)
(** ** AC_fun + IGP = GAC_fun = OAC_fun = AC_fun + Drinker *)
(** AC_fun + IGP = GAC_fun *)

Lemma fun_choice_and_indep_general_prem_imp_guarded_fun_choice :
FunctionalChoiceOnInhabitedSet -> IndependenceOfGeneralPremises
-> GuardedFunctionalChoice.