Get the arg-len field from a integerp-of-svex-extn.
(integerp-of-svex-extn->arg-len x) → arg-len
This is an ordinary field accessor created by fty::defprod.
Function:
(defun integerp-of-svex-extn->arg-len$inline (x) (declare (xargs :guard (integerp-of-svex-extn-p x))) (declare (xargs :guard t)) (let ((acl2::__function__ 'integerp-of-svex-extn->arg-len)) (declare (ignorable acl2::__function__)) (mbe :logic (b* ((x (and t x))) (acl2::pos-fix (cdr x))) :exec (cdr x))))
Theorem:
(defthm posp-of-integerp-of-svex-extn->arg-len (b* ((arg-len (integerp-of-svex-extn->arg-len$inline x))) (posp arg-len)) :rule-classes (:rewrite :type-prescription))
Theorem:
(defthm integerp-of-svex-extn->arg-len$inline-of-integerp-of-svex-extn-fix-x (equal (integerp-of-svex-extn->arg-len$inline (integerp-of-svex-extn-fix x)) (integerp-of-svex-extn->arg-len$inline x)))
Theorem:
(defthm integerp-of-svex-extn->arg-len$inline-integerp-of-svex-extn-equiv-congruence-on-x (implies (integerp-of-svex-extn-equiv x x-equiv) (equal (integerp-of-svex-extn->arg-len$inline x) (integerp-of-svex-extn->arg-len$inline x-equiv))) :rule-classes :congruence)