fact: Axiom thm_UNIQUE_SKOLEM_ALT : forall {A B : Type'}, forall P : A -> B -> Prop, (forall x : A, @ex1 B (fun y : B => P x y)) = (exists f : A -> B, forall x : A, forall y : B, (P x y) = ((f x) = y)).
imports: coq theory_hol types terms axioms