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• Jblock-list

Jblock-list-equiv

Basic equivalence relation for jblock-list structures.

Definitions and Theorems

Function: jblock-list-equiv$inline

(defun jblock-list-equiv$inline (acl2::x acl2::y)
  (declare (xargs :guard (and (jblock-listp acl2::x)
                              (jblock-listp acl2::y))))
  (equal (jblock-list-fix acl2::x)
         (jblock-list-fix acl2::y)))

Theorem: jblock-list-equiv-is-an-equivalence

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

Theorem: jblock-list-equiv-implies-equal-jblock-list-fix-1

(defthm jblock-list-equiv-implies-equal-jblock-list-fix-1
  (implies (jblock-list-equiv acl2::x x-equiv)
           (equal (jblock-list-fix acl2::x)
                  (jblock-list-fix x-equiv)))
  :rule-classes (:congruence))

Theorem: jblock-list-fix-under-jblock-list-equiv

(defthm jblock-list-fix-under-jblock-list-equiv
  (jblock-list-equiv (jblock-list-fix acl2::x)
                     acl2::x)
  :rule-classes (:rewrite :rewrite-quoted-constant))

Theorem: equal-of-jblock-list-fix-1-forward-to-jblock-list-equiv

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

Theorem: equal-of-jblock-list-fix-2-forward-to-jblock-list-equiv

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

Theorem: jblock-list-equiv-of-jblock-list-fix-1-forward

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

Theorem: jblock-list-equiv-of-jblock-list-fix-2-forward

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