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