fact: Hypothesis (Ffun : forall n m, F n -> F m -> n = m) (Gfun : forall x y n m, G x y n -> G x y m -> n = m).
imports: Arith Lia List Bool Eqdep_dec Undecidability.Shared.Libs.DLW(utils_tac utils_nat utils_list finite pos vec) Undecidability.MuRec.MuRec