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    • Call-graph

    Call-graph-fix

    (call-graph-fix x) is a usual ACL2::fty omap fixing function.

    Signature
    (call-graph-fix x) → *
    Arguments
    x — Guard (call-graphp x).

    Definitions and Theorems

    Function: call-graph-fix

    (defun call-graph-fix (x)
      (declare (xargs :guard (call-graphp x)))
      (mbe :logic (if (call-graphp x) x nil)
           :exec x))

    Theorem: call-graphp-of-call-graph-fix

    (defthm call-graphp-of-call-graph-fix
      (call-graphp (call-graph-fix x)))

    Theorem: call-graph-fix-when-call-graphp

    (defthm call-graph-fix-when-call-graphp
      (implies (call-graphp x)
               (equal (call-graph-fix x) x)))

    Theorem: emptyp-call-graph-fix

    (defthm emptyp-call-graph-fix
      (implies (or (omap::emptyp x)
                   (not (call-graphp x)))
               (omap::emptyp (call-graph-fix x))))

    Theorem: emptyp-of-call-graph-fix-to-not-call-graph-or-emptyp

    (defthm emptyp-of-call-graph-fix-to-not-call-graph-or-emptyp
      (equal (omap::emptyp (call-graph-fix x))
             (or (not (call-graphp x))
                 (omap::emptyp x))))

    Function: call-graph-equiv$inline

    (defun call-graph-equiv$inline (acl2::x acl2::y)
      (declare (xargs :guard (and (call-graphp acl2::x)
                                  (call-graphp acl2::y))))
      (equal (call-graph-fix acl2::x)
             (call-graph-fix acl2::y)))

    Theorem: call-graph-equiv-is-an-equivalence

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

    Theorem: call-graph-equiv-implies-equal-call-graph-fix-1

    (defthm call-graph-equiv-implies-equal-call-graph-fix-1
      (implies (call-graph-equiv acl2::x x-equiv)
               (equal (call-graph-fix acl2::x)
                      (call-graph-fix x-equiv)))
      :rule-classes (:congruence))

    Theorem: call-graph-fix-under-call-graph-equiv

    (defthm call-graph-fix-under-call-graph-equiv
      (call-graph-equiv (call-graph-fix acl2::x)
                        acl2::x)
      :rule-classes (:rewrite :rewrite-quoted-constant))

    Theorem: equal-of-call-graph-fix-1-forward-to-call-graph-equiv

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

    Theorem: equal-of-call-graph-fix-2-forward-to-call-graph-equiv

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

    Theorem: call-graph-equiv-of-call-graph-fix-1-forward

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

    Theorem: call-graph-equiv-of-call-graph-fix-2-forward

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