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• Read-file-into-string

Std/io/read-file-into-string

See read-file-into-string.

Definitions and Theorems

Theorem: stringp-of-read-file-into-string1

(defthm stringp-of-read-file-into-string1
 (implies
  (not
   (null (mv-nth 0
                 (read-file-into-string1 channel state ans bound))))
  (stringp
       (mv-nth 0
               (read-file-into-string1 channel state ans bound))))
 :rule-classes
 (:rewrite
  (:type-prescription
   :corollary
   (or
    (null (mv-nth 0
                  (read-file-into-string1 channel state ans bound)))
    (stringp
      (mv-nth 0
              (read-file-into-string1 channel state ans bound)))))))

Theorem: state-p1-of-read-file-into-string1

(defthm state-p1-of-read-file-into-string1
 (implies
   (and (symbolp channel)
        (open-input-channel-p channel
                              :character state)
        (state-p state))
   (state-p1
        (mv-nth 1
                (read-file-into-string1 channel state ans bound)))))