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Fgl-rune

Fgl-rune-fix

Fixing function for fgl-rune structures.

Signature
(fgl-rune-fix x) → new-x
Arguments: x — Guard (fgl-rune-p x).
Returns: new-x — Type (fgl-rune-p new-x).

Definitions and Theorems

Function: fgl-rune-fix$inline

(defun fgl-rune-fix$inline (x)
 (declare (xargs :guard (fgl-rune-p x)))
 (let ((__function__ 'fgl-rune-fix))
  (declare (ignorable __function__))
  (mbe
    :logic
    (case (fgl-rune-kind x)
      (:rewrite (b* ((name (std::da-nth 0 (cdr x))))
                  (cons :rewrite (list name))))
      (:definition (b* ((name (std::da-nth 0 (cdr x))))
                     (cons :definition (list name))))
      (:formula
           (b* ((name (pseudo-fnsym-fix (std::da-nth 0 (cdr x)))))
             (cons :formula (list name))))
      (:primitive
           (b* ((name (pseudo-fnsym-fix (std::da-nth 0 (cdr x)))))
             (cons :primitive (list name))))
      (:meta (b* ((name (pseudo-fnsym-fix (std::da-nth 0 (cdr x)))))
               (cons :meta (list name)))))
    :exec x)))

Theorem: fgl-rune-p-of-fgl-rune-fix

(defthm fgl-rune-p-of-fgl-rune-fix
  (b* ((new-x (fgl-rune-fix$inline x)))
    (fgl-rune-p new-x))
  :rule-classes :rewrite)

Theorem: fgl-rune-fix-when-fgl-rune-p

(defthm fgl-rune-fix-when-fgl-rune-p
  (implies (fgl-rune-p x)
           (equal (fgl-rune-fix x) x)))

Function: fgl-rune-equiv$inline

(defun fgl-rune-equiv$inline (x y)
  (declare (xargs :guard (and (fgl-rune-p x) (fgl-rune-p y))))
  (equal (fgl-rune-fix x)
         (fgl-rune-fix y)))

Theorem: fgl-rune-equiv-is-an-equivalence

(defthm fgl-rune-equiv-is-an-equivalence
  (and (booleanp (fgl-rune-equiv x y))
       (fgl-rune-equiv x x)
       (implies (fgl-rune-equiv x y)
                (fgl-rune-equiv y x))
       (implies (and (fgl-rune-equiv x y)
                     (fgl-rune-equiv y z))
                (fgl-rune-equiv x z)))
  :rule-classes (:equivalence))

Theorem: fgl-rune-equiv-implies-equal-fgl-rune-fix-1

(defthm fgl-rune-equiv-implies-equal-fgl-rune-fix-1
  (implies (fgl-rune-equiv x x-equiv)
           (equal (fgl-rune-fix x)
                  (fgl-rune-fix x-equiv)))
  :rule-classes (:congruence))

Theorem: fgl-rune-fix-under-fgl-rune-equiv

(defthm fgl-rune-fix-under-fgl-rune-equiv
  (fgl-rune-equiv (fgl-rune-fix x) x)
  :rule-classes (:rewrite :rewrite-quoted-constant))

Theorem: equal-of-fgl-rune-fix-1-forward-to-fgl-rune-equiv

(defthm equal-of-fgl-rune-fix-1-forward-to-fgl-rune-equiv
  (implies (equal (fgl-rune-fix x) y)
           (fgl-rune-equiv x y))
  :rule-classes :forward-chaining)

Theorem: equal-of-fgl-rune-fix-2-forward-to-fgl-rune-equiv

(defthm equal-of-fgl-rune-fix-2-forward-to-fgl-rune-equiv
  (implies (equal x (fgl-rune-fix y))
           (fgl-rune-equiv x y))
  :rule-classes :forward-chaining)

Theorem: fgl-rune-equiv-of-fgl-rune-fix-1-forward

(defthm fgl-rune-equiv-of-fgl-rune-fix-1-forward
  (implies (fgl-rune-equiv (fgl-rune-fix x) y)
           (fgl-rune-equiv x y))
  :rule-classes :forward-chaining)

Theorem: fgl-rune-equiv-of-fgl-rune-fix-2-forward

(defthm fgl-rune-equiv-of-fgl-rune-fix-2-forward
  (implies (fgl-rune-equiv x (fgl-rune-fix y))
           (fgl-rune-equiv x y))
  :rule-classes :forward-chaining)

Theorem: fgl-rune-kind$inline-of-fgl-rune-fix-x

(defthm fgl-rune-kind$inline-of-fgl-rune-fix-x
  (equal (fgl-rune-kind$inline (fgl-rune-fix x))
         (fgl-rune-kind$inline x)))

Theorem: fgl-rune-kind$inline-fgl-rune-equiv-congruence-on-x

(defthm fgl-rune-kind$inline-fgl-rune-equiv-congruence-on-x
  (implies (fgl-rune-equiv x x-equiv)
           (equal (fgl-rune-kind$inline x)
                  (fgl-rune-kind$inline x-equiv)))
  :rule-classes :congruence)

Theorem: consp-of-fgl-rune-fix

(defthm consp-of-fgl-rune-fix
  (consp (fgl-rune-fix x))
  :rule-classes :type-prescription)