fact: Axiom thm_PASSOC_DEF : forall {A B C D : Type'}, forall f : (prod (prod A B) C) -> D, forall x : A, forall y : B, forall z : C, (@PASSOC A B C D f (@pair A (prod B C) x (@pair B C y z))) = (f (@pair (prod A B) C (@pair A B x y) z)).
imports: coq theory_hol types terms axioms