proposition: Lemma T_ren m delta: ren delta (T m) = T m.
proof: Proof. asimpl; now rewrite T_subst. Qed.
imports: List Lia Program.Program Undecidability.HOU(std.std axioms) RelationClasses Morphisms Init.Wf Init.Nat Setoid Undecidability.HOU(calculus.calculus second_order.goldfarb.encoding) FinFun Coq.Arith.Wf_nat