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• Parser-states

Parstate-fix

Signature

(parstate-fix parstate) → parstate

Returns

parstate — Type (parstatep parstate).

Definitions and Theorems

Function: parstate-fix$inline

(defun parstate-fix$inline (parstate)
  (declare (xargs :stobjs (parstate)))
  (declare (xargs :guard t))
  (mbe :logic
       (if (parstatep parstate)
           parstate
         (non-exec (create-parstate)))
       :exec parstate))

Theorem: parstatep-of-parstate-fix

(defthm parstatep-of-parstate-fix
  (b* ((parstate (parstate-fix$inline parstate)))
    (parstatep parstate))
  :rule-classes :rewrite)

Theorem: parstate-fix-when-parstatep

(defthm parstate-fix-when-parstatep
  (implies (parstatep parstate)
           (equal (parstate-fix parstate)
                  parstate)))