		Search-engine friendly clone of the ACL2 documentation.

Plain-string

Plain-string->content

Get the content field from a plain-string.

Signature
(plain-string->content x) → content
Arguments: x — Guard (plain-stringp x).
Returns: content — Type (string-element-listp content).

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

Definitions and Theorems

Function: plain-string->content$inline

(defun plain-string->content$inline (x)
  (declare (xargs :guard (plain-stringp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'plain-string->content))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (string-element-list-fix (cdr (std::da-nth 0 (cdr x)))))
         :exec (cdr (std::da-nth 0 (cdr x))))))

Theorem: string-element-listp-of-plain-string->content

(defthm string-element-listp-of-plain-string->content
  (b* ((content (plain-string->content$inline x)))
    (string-element-listp content))
  :rule-classes :rewrite)

Theorem: plain-string->content$inline-of-plain-string-fix-x

(defthm plain-string->content$inline-of-plain-string-fix-x
  (equal (plain-string->content$inline (plain-string-fix x))
         (plain-string->content$inline x)))

Theorem: plain-string->content$inline-plain-string-equiv-congruence-on-x

(defthm
    plain-string->content$inline-plain-string-equiv-congruence-on-x
  (implies (plain-string-equiv x x-equiv)
           (equal (plain-string->content$inline x)
                  (plain-string->content$inline x-equiv)))
  :rule-classes :congruence)