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Untranslate-specifier-utilities

Untranslate-specifier-p

Recognize untranslate specifiers.

Signature
(untranslate-specifier-p x) → yes/no
Returns: yes/no — Type (booleanp yes/no).

Definitions and Theorems

Function: untranslate-specifier-p

(defun untranslate-specifier-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'untranslate-specifier-p))
    (declare (ignorable __function__))
    (if (member-eq x *untranslate-specifier-keywords*)
        t
      nil)))

Theorem: booleanp-of-untranslate-specifier-p

(defthm booleanp-of-untranslate-specifier-p
  (b* ((yes/no (untranslate-specifier-p x)))
    (booleanp yes/no))
  :rule-classes :rewrite)