fact: Axiom thm_WF_IND : forall {A : Type'} (lt2 : A -> A -> Prop), (@WF A lt2) = (forall P : A -> Prop, (forall x : A, (forall y : A, (lt2 y x) -> P y) -> P x) -> forall x : A, P x).
imports: coq theory_hol types terms axioms