proposition: Lemma in_bound_gotos : In (0, +|, +|) gotos.
proof: Proof. do 5 (apply /in_app_r). by left. Qed.
imports: Relation_Operators Operators_Properties Lia PeanoNat List Undecidability.StackMachines.Reductions.CM1_HALT_to_SMNdl_UB.SMX_facts Undecidability.StackMachines.Util(Nat_facts List_facts) ssreflect ssrbool ssrfun