Get the svex field from a tmp-occ-assign.
This is an ordinary field accessor created by fty::defprod.
Function:
(defun tmp-occ-assign->svex$inline (x) (declare (xargs :guard (tmp-occ-p x))) (declare (xargs :guard (equal (tmp-occ-kind x) :assign))) (let ((acl2::__function__ 'tmp-occ-assign->svex)) (declare (ignorable acl2::__function__)) (mbe :logic (b* ((x (and (equal (tmp-occ-kind x) :assign) x))) (svex-fix (std::da-nth 3 (cdr x)))) :exec (std::da-nth 3 (cdr x)))))
Theorem:
(defthm svex-p-of-tmp-occ-assign->svex (b* ((svex (tmp-occ-assign->svex$inline x))) (svex-p svex)) :rule-classes :rewrite)
Theorem:
(defthm tmp-occ-assign->svex$inline-of-tmp-occ-fix-x (equal (tmp-occ-assign->svex$inline (tmp-occ-fix x)) (tmp-occ-assign->svex$inline x)))
Theorem:
(defthm tmp-occ-assign->svex$inline-tmp-occ-equiv-congruence-on-x (implies (tmp-occ-equiv x x-equiv) (equal (tmp-occ-assign->svex$inline x) (tmp-occ-assign->svex$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm tmp-occ-assign->svex-when-wrong-kind (implies (not (equal (tmp-occ-kind x) :assign)) (equal (tmp-occ-assign->svex x) (svex-fix nil))))