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