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• Mach-o-section-header

Mach-o-section-header-equiv

Basic equivalence relation for mach-o-section-header structures.

Definitions and Theorems

Function: mach-o-section-header-equiv$inline

(defun mach-o-section-header-equiv$inline (x y)
  (declare (xargs :guard (and (mach-o-section-header-p x)
                              (mach-o-section-header-p y))))
  (equal (mach-o-section-header-fix x)
         (mach-o-section-header-fix y)))

Theorem: mach-o-section-header-equiv-is-an-equivalence

(defthm mach-o-section-header-equiv-is-an-equivalence
  (and (booleanp (mach-o-section-header-equiv x y))
       (mach-o-section-header-equiv x x)
       (implies (mach-o-section-header-equiv x y)
                (mach-o-section-header-equiv y x))
       (implies (and (mach-o-section-header-equiv x y)
                     (mach-o-section-header-equiv y z))
                (mach-o-section-header-equiv x z)))
  :rule-classes (:equivalence))

Theorem: mach-o-section-header-equiv-implies-equal-mach-o-section-header-fix-1

(defthm
 mach-o-section-header-equiv-implies-equal-mach-o-section-header-fix-1
 (implies (mach-o-section-header-equiv x x-equiv)
          (equal (mach-o-section-header-fix x)
                 (mach-o-section-header-fix x-equiv)))
 :rule-classes (:congruence))

Theorem: mach-o-section-header-fix-under-mach-o-section-header-equiv

(defthm mach-o-section-header-fix-under-mach-o-section-header-equiv
  (mach-o-section-header-equiv (mach-o-section-header-fix x)
                               x)
  :rule-classes (:rewrite :rewrite-quoted-constant))

Theorem: equal-of-mach-o-section-header-fix-1-forward-to-mach-o-section-header-equiv

(defthm
 equal-of-mach-o-section-header-fix-1-forward-to-mach-o-section-header-equiv
 (implies (equal (mach-o-section-header-fix x) y)
          (mach-o-section-header-equiv x y))
 :rule-classes :forward-chaining)

Theorem: equal-of-mach-o-section-header-fix-2-forward-to-mach-o-section-header-equiv

(defthm
 equal-of-mach-o-section-header-fix-2-forward-to-mach-o-section-header-equiv
 (implies (equal x (mach-o-section-header-fix y))
          (mach-o-section-header-equiv x y))
 :rule-classes :forward-chaining)

Theorem: mach-o-section-header-equiv-of-mach-o-section-header-fix-1-forward

(defthm
 mach-o-section-header-equiv-of-mach-o-section-header-fix-1-forward
 (implies (mach-o-section-header-equiv (mach-o-section-header-fix x)
                                       y)
          (mach-o-section-header-equiv x y))
 :rule-classes :forward-chaining)

Theorem: mach-o-section-header-equiv-of-mach-o-section-header-fix-2-forward

(defthm
 mach-o-section-header-equiv-of-mach-o-section-header-fix-2-forward
 (implies
      (mach-o-section-header-equiv x (mach-o-section-header-fix y))
      (mach-o-section-header-equiv x y))
 :rule-classes :forward-chaining)