Lift pseudo-terms to the meta level.
(lift-term term) → tterm
Theorem:
(defthm return-type-of-lift-term.tterm (b* ((?tterm (lift-term term))) (ttermp tterm)) :rule-classes :rewrite)
Theorem:
(defthm return-type-of-lift-term-list.terms (b* ((?terms (lift-term-list terms))) (tterm-listp terms)) :rule-classes :rewrite)