From Undecidability.Shared.Libs.PSL Require Import Prelim.
From Undecidability.Shared.Libs.PSL Require Import EqDec.
(* ** Numbers **)

Lemma size_induction_dep L (X : L -> Type) (f : forall l, X l -> nat) (p : forall l, X l -> Type) :
(forall l x, (forall l' y, f l' y < f l x -> p l' y) -> p l x) ->
forall l x, p l x.