Get the unwrap field from a amb?-declor/absdeclor-absdeclor.
(amb?-declor/absdeclor-absdeclor->unwrap x) → unwrap
This is an ordinary field accessor created by fty::defprod.
Function:
(defun amb?-declor/absdeclor-absdeclor->unwrap$inline (x) (declare (xargs :guard (amb?-declor/absdeclor-p x))) (declare (xargs :guard (equal (amb?-declor/absdeclor-kind x) :absdeclor))) (let ((__function__ 'amb?-declor/absdeclor-absdeclor->unwrap)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (amb?-declor/absdeclor-kind x) :absdeclor) x))) (absdeclor-fix (std::da-nth 0 (cdr x)))) :exec (std::da-nth 0 (cdr x)))))
Theorem:
(defthm absdeclorp-of-amb?-declor/absdeclor-absdeclor->unwrap (b* ((unwrap (amb?-declor/absdeclor-absdeclor->unwrap$inline x))) (absdeclorp unwrap)) :rule-classes :rewrite)
Theorem:
(defthm amb?-declor/absdeclor-absdeclor->unwrap$inline-of-amb?-declor/absdeclor-fix-x (equal (amb?-declor/absdeclor-absdeclor->unwrap$inline (amb?-declor/absdeclor-fix x)) (amb?-declor/absdeclor-absdeclor->unwrap$inline x)))
Theorem:
(defthm amb?-declor/absdeclor-absdeclor->unwrap$inline-amb?-declor/absdeclor-equiv-congruence-on-x (implies (amb?-declor/absdeclor-equiv x x-equiv) (equal (amb?-declor/absdeclor-absdeclor->unwrap$inline x) (amb?-declor/absdeclor-absdeclor->unwrap$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm amb?-declor/absdeclor-absdeclor->unwrap-when-wrong-kind (implies (not (equal (amb?-declor/absdeclor-kind x) :absdeclor)) (equal (amb?-declor/absdeclor-absdeclor->unwrap x) (absdeclor-fix nil))))