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• Proof-outcome

Proof-outcome-fix

Fixing function for proof-outcome structures.

Signature

(proof-outcome-fix x) → new-x

Arguments

x — Guard (proof-outcomep x).

Returns

new-x — Type (proof-outcomep new-x).

Definitions and Theorems

Function: proof-outcome-fix$inline

(defun proof-outcome-fix$inline (x)
 (declare (xargs :guard (proof-outcomep x)))
 (let ((__function__ 'proof-outcome-fix))
  (declare (ignorable __function__))
  (mbe
   :logic
   (case (proof-outcome-kind x)
     (:assertion (b* ((get (assertion-fix (std::da-nth 0 (cdr x)))))
                   (cons :assertion (list get))))
     (:fail (cons :fail (list)))
     (:error (cons :error (list))))
   :exec x)))

Theorem: proof-outcomep-of-proof-outcome-fix

(defthm proof-outcomep-of-proof-outcome-fix
  (b* ((new-x (proof-outcome-fix$inline x)))
    (proof-outcomep new-x))
  :rule-classes :rewrite)

Theorem: proof-outcome-fix-when-proof-outcomep

(defthm proof-outcome-fix-when-proof-outcomep
  (implies (proof-outcomep x)
           (equal (proof-outcome-fix x) x)))

Function: proof-outcome-equiv$inline

(defun proof-outcome-equiv$inline (acl2::x acl2::y)
  (declare (xargs :guard (and (proof-outcomep acl2::x)
                              (proof-outcomep acl2::y))))
  (equal (proof-outcome-fix acl2::x)
         (proof-outcome-fix acl2::y)))

Theorem: proof-outcome-equiv-is-an-equivalence

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

Theorem: proof-outcome-equiv-implies-equal-proof-outcome-fix-1

(defthm proof-outcome-equiv-implies-equal-proof-outcome-fix-1
  (implies (proof-outcome-equiv acl2::x x-equiv)
           (equal (proof-outcome-fix acl2::x)
                  (proof-outcome-fix x-equiv)))
  :rule-classes (:congruence))

Theorem: proof-outcome-fix-under-proof-outcome-equiv

(defthm proof-outcome-fix-under-proof-outcome-equiv
  (proof-outcome-equiv (proof-outcome-fix acl2::x)
                       acl2::x)
  :rule-classes (:rewrite :rewrite-quoted-constant))

Theorem: equal-of-proof-outcome-fix-1-forward-to-proof-outcome-equiv

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

Theorem: equal-of-proof-outcome-fix-2-forward-to-proof-outcome-equiv

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

Theorem: proof-outcome-equiv-of-proof-outcome-fix-1-forward

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

Theorem: proof-outcome-equiv-of-proof-outcome-fix-2-forward

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

Theorem: proof-outcome-kind$inline-of-proof-outcome-fix-x

(defthm proof-outcome-kind$inline-of-proof-outcome-fix-x
  (equal (proof-outcome-kind$inline (proof-outcome-fix x))
         (proof-outcome-kind$inline x)))

Theorem: proof-outcome-kind$inline-proof-outcome-equiv-congruence-on-x

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

Theorem: consp-of-proof-outcome-fix

(defthm consp-of-proof-outcome-fix
  (consp (proof-outcome-fix x))
  :rule-classes :type-prescription)