proposition: Lemma subst_enc_halt_cbn sigma : subst sigma enc_halt_cbn = enc_halt_cbn.
proof: Proof. done. Qed.
imports: Undecidability.LambdaCalculus(Krivine Lambda Util.Krivine_facts) Undecidability.LambdaCalculus.Util.term_facts Undecidability.Shared.deterministic_simulation Relations List ssreflect