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Printable-char-p

Printable-charlist-p

(printable-charlist-p x) recognizes lists where every element satisfies printable-char-p.

Signature
(printable-charlist-p x) → std::bool

This is an ordinary std::deflist. It is "loose" in that it does not care whether x is nil-terminated.

Definitions and Theorems

Function: printable-charlist-p

(defun printable-charlist-p (x)
  (declare (xargs :guard t))
  (let ((acl2::__function__ 'printable-charlist-p))
    (declare (ignorable acl2::__function__))
    (if (consp x)
        (and (printable-char-p (car x))
             (printable-charlist-p (cdr x)))
      t)))

Theorem: chars-in-charset-p-of-printable-chars

(defthm chars-in-charset-p-of-printable-chars
  (equal (chars-in-charset-p x (printable-chars))
         (printable-charlist-p x)))

Subtopics

Printable-charlist-p-basics: Basic theorems about printable-charlist-p, generated by std::deflist.