Get the zero-cost-replace field from a rewrite-config.
(rewrite-config->zero-cost-replace x) → zero-cost-replace
This is an ordinary field accessor created by fty::defprod.
Function:
(defun rewrite-config->zero-cost-replace$inline (x) (declare (xargs :guard (rewrite-config-p x))) (declare (xargs :guard t)) (let ((__function__ 'rewrite-config->zero-cost-replace)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (acl2::bool-fix (cdr (std::da-nth 2 (cdr x))))) :exec (cdr (std::da-nth 2 (cdr x))))))
Theorem:
(defthm booleanp-of-rewrite-config->zero-cost-replace (b* ((zero-cost-replace (rewrite-config->zero-cost-replace$inline x))) (booleanp zero-cost-replace)) :rule-classes :type-prescription)
Theorem:
(defthm rewrite-config->zero-cost-replace$inline-of-rewrite-config-fix-x (equal (rewrite-config->zero-cost-replace$inline (rewrite-config-fix x)) (rewrite-config->zero-cost-replace$inline x)))
Theorem:
(defthm rewrite-config->zero-cost-replace$inline-rewrite-config-equiv-congruence-on-x (implies (rewrite-config-equiv x x-equiv) (equal (rewrite-config->zero-cost-replace$inline x) (rewrite-config->zero-cost-replace$inline x-equiv))) :rule-classes :congruence)