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Svstmt-compile.lisp

Svstate-free

Signature
(svstate-free x) → *
Arguments: x — Guard (svstate-p x).

Definitions and Theorems

Function: svstate-free

(defun svstate-free (x)
  (declare (xargs :guard (svstate-p x)))
  (let ((__function__ 'svstate-free))
    (declare (ignorable __function__))
    (b* (((svstate x) (svstate-fix x)))
      (progn$ (svstack-free x.blkst)
              (fast-alist-free x.nonblkst)
              x))))

Theorem: svstate-free-of-svstate-fix-x

(defthm svstate-free-of-svstate-fix-x
  (equal (svstate-free (svstate-fix x))
         (svstate-free x)))

Theorem: svstate-free-svstate-equiv-congruence-on-x

(defthm svstate-free-svstate-equiv-congruence-on-x
  (implies (svstate-equiv x x-equiv)
           (equal (svstate-free x)
                  (svstate-free x-equiv)))
  :rule-classes :congruence)