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