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Fty-info

Fty-info-fix

Fixing function for fty-info structures.

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

Definitions and Theorems

Function: fty-info-fix$inline

(defun fty-info-fix$inline (x)
  (declare (xargs :guard (fty-info-p x)))
  (let ((acl2::__function__ 'fty-info-fix))
    (declare (ignorable acl2::__function__))
    (mbe :logic
         (b* ((name (symbol-fix (cdr (std::da-nth 0 x))))
              (category (symbol-fix (cdr (std::da-nth 1 x))))
              (type (symbol-fix (cdr (std::da-nth 2 x))))
              (guards (symbol-list-fix (cdr (std::da-nth 3 x))))
              (returns (symbol-fix (cdr (std::da-nth 4 x)))))
           (list (cons 'name name)
                 (cons 'category category)
                 (cons 'type type)
                 (cons 'guards guards)
                 (cons 'returns returns)))
         :exec x)))

Theorem: fty-info-p-of-fty-info-fix

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

Theorem: fty-info-fix-when-fty-info-p

(defthm fty-info-fix-when-fty-info-p
  (implies (fty-info-p x)
           (equal (fty-info-fix x) x)))

Function: fty-info-equiv$inline

(defun fty-info-equiv$inline (acl2::x acl2::y)
  (declare (xargs :guard (and (fty-info-p acl2::x)
                              (fty-info-p acl2::y))))
  (equal (fty-info-fix acl2::x)
         (fty-info-fix acl2::y)))

Theorem: fty-info-equiv-is-an-equivalence

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

Theorem: fty-info-equiv-implies-equal-fty-info-fix-1

(defthm fty-info-equiv-implies-equal-fty-info-fix-1
  (implies (fty-info-equiv acl2::x x-equiv)
           (equal (fty-info-fix acl2::x)
                  (fty-info-fix x-equiv)))
  :rule-classes (:congruence))

Theorem: fty-info-fix-under-fty-info-equiv

(defthm fty-info-fix-under-fty-info-equiv
  (fty-info-equiv (fty-info-fix acl2::x)
                  acl2::x)
  :rule-classes (:rewrite :rewrite-quoted-constant))

Theorem: equal-of-fty-info-fix-1-forward-to-fty-info-equiv

(defthm equal-of-fty-info-fix-1-forward-to-fty-info-equiv
  (implies (equal (fty-info-fix acl2::x) acl2::y)
           (fty-info-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)

Theorem: equal-of-fty-info-fix-2-forward-to-fty-info-equiv

(defthm equal-of-fty-info-fix-2-forward-to-fty-info-equiv
  (implies (equal acl2::x (fty-info-fix acl2::y))
           (fty-info-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)

Theorem: fty-info-equiv-of-fty-info-fix-1-forward

(defthm fty-info-equiv-of-fty-info-fix-1-forward
  (implies (fty-info-equiv (fty-info-fix acl2::x)
                           acl2::y)
           (fty-info-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)

Theorem: fty-info-equiv-of-fty-info-fix-2-forward

(defthm fty-info-equiv-of-fty-info-fix-2-forward
  (implies (fty-info-equiv acl2::x (fty-info-fix acl2::y))
           (fty-info-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)