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• Backtrace-spec

Backtrace-spec-equiv

Basic equivalence relation for backtrace-spec structures.

Definitions and Theorems

Function: backtrace-spec-equiv$inline

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

Theorem: backtrace-spec-equiv-is-an-equivalence

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

Theorem: backtrace-spec-equiv-implies-equal-backtrace-spec-fix-1

(defthm backtrace-spec-equiv-implies-equal-backtrace-spec-fix-1
  (implies (backtrace-spec-equiv x x-equiv)
           (equal (backtrace-spec-fix x)
                  (backtrace-spec-fix x-equiv)))
  :rule-classes (:congruence))

Theorem: backtrace-spec-fix-under-backtrace-spec-equiv

(defthm backtrace-spec-fix-under-backtrace-spec-equiv
  (backtrace-spec-equiv (backtrace-spec-fix x)
                        x)
  :rule-classes (:rewrite :rewrite-quoted-constant))

Theorem: equal-of-backtrace-spec-fix-1-forward-to-backtrace-spec-equiv

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

Theorem: equal-of-backtrace-spec-fix-2-forward-to-backtrace-spec-equiv

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

Theorem: backtrace-spec-equiv-of-backtrace-spec-fix-1-forward

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

Theorem: backtrace-spec-equiv-of-backtrace-spec-fix-2-forward

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