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Paired-name-separator

Paired-name-separator-p

Recognize admissible separators for paired names.

Signature
(paired-name-separator-p x) → yes/no
Returns: yes/no — Type (booleanp yes/no).

Any non-empty sequence of characters is allowed.

Definitions and Theorems

Function: paired-name-separator-p

(defun paired-name-separator-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'paired-name-separator-p))
    (declare (ignorable __function__))
    (and (stringp x) (not (equal x "")))))

Theorem: booleanp-of-paired-name-separator-p

(defthm booleanp-of-paired-name-separator-p
  (b* ((yes/no (paired-name-separator-p x)))
    (booleanp yes/no))
  :rule-classes :rewrite)