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Funcall

Funcall->args

Get the args field from a funcall.

Signature
(funcall->args x) → args
Arguments: x — Guard (funcallp x).
Returns: args — Type (expression-listp args).

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

Definitions and Theorems

Function: funcall->args$inline

(defun funcall->args$inline (x)
  (declare (xargs :guard (funcallp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'funcall->args))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (expression-list-fix (cdr (std::da-nth 1 (cdr x)))))
         :exec (cdr (std::da-nth 1 (cdr x))))))

Theorem: expression-listp-of-funcall->args

(defthm expression-listp-of-funcall->args
  (b* ((args (funcall->args$inline x)))
    (expression-listp args))
  :rule-classes :rewrite)

Theorem: funcall->args$inline-of-funcall-fix-x

(defthm funcall->args$inline-of-funcall-fix-x
  (equal (funcall->args$inline (funcall-fix x))
         (funcall->args$inline x)))

Theorem: funcall->args$inline-funcall-equiv-congruence-on-x

(defthm funcall->args$inline-funcall-equiv-congruence-on-x
  (implies (funcall-equiv x x-equiv)
           (equal (funcall->args$inline x)
                  (funcall->args$inline x-equiv)))
  :rule-classes :congruence)