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Output-expression-result-ok

Output-expression-result-ok->get

Get the get field from a output-expression-result-ok.

Signature
(output-expression-result-ok->get acl2::x) → get
Arguments: acl2::x — Guard (output-expression-resultp acl2::x).
Returns: get — Type (output-expressionp get).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: output-expression-result-ok->get$inline

(defun output-expression-result-ok->get$inline (acl2::x)
 (declare (xargs :guard (output-expression-resultp acl2::x)))
 (declare
      (xargs :guard (equal (output-expression-result-kind acl2::x)
                           :ok)))
 (let ((__function__ 'output-expression-result-ok->get))
  (declare (ignorable __function__))
  (mbe
   :logic
   (b* ((acl2::x (and (equal (output-expression-result-kind acl2::x)
                             :ok)
                      acl2::x)))
     (output-expression-fix acl2::x))
   :exec acl2::x)))

Theorem: output-expressionp-of-output-expression-result-ok->get

(defthm output-expressionp-of-output-expression-result-ok->get
  (b* ((get (output-expression-result-ok->get$inline acl2::x)))
    (output-expressionp get))
  :rule-classes :rewrite)

Theorem: output-expression-result-ok->get$inline-of-output-expression-result-fix-x

(defthm
 output-expression-result-ok->get$inline-of-output-expression-result-fix-x
 (equal (output-expression-result-ok->get$inline
             (output-expression-result-fix acl2::x))
        (output-expression-result-ok->get$inline acl2::x)))

Theorem: output-expression-result-ok->get$inline-output-expression-result-equiv-congruence-on-x

(defthm
 output-expression-result-ok->get$inline-output-expression-result-equiv-congruence-on-x
 (implies (output-expression-result-equiv acl2::x x-equiv)
          (equal (output-expression-result-ok->get$inline acl2::x)
                 (output-expression-result-ok->get$inline x-equiv)))
 :rule-classes :congruence)

Theorem: output-expression-result-ok->get-when-wrong-kind

(defthm output-expression-result-ok->get-when-wrong-kind
  (implies (not (equal (output-expression-result-kind acl2::x)
                       :ok))
           (equal (output-expression-result-ok->get acl2::x)
                  (output-expression-fix nil))))