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Function-syntax

Function-syntax-p

Recognizer for function-syntax.

Signature
(function-syntax-p term) → syntax-good?
Returns: syntax-good? — Type (booleanp syntax-good?).

Definitions and Theorems

Function: function-syntax-p

(defun function-syntax-p (term)
  (declare (xargs :guard t))
  (let ((acl2::__function__ 'function-syntax-p))
    (declare (ignorable acl2::__function__))
    (b* (((unless (true-listp term)) nil)
         ((unless (consp term)) t)
         ((cons fname function-options) term))
      (and (symbolp fname)
           (function-option-lst-syntax-p function-options)))))

Theorem: booleanp-of-function-syntax-p

(defthm booleanp-of-function-syntax-p
  (b* ((syntax-good? (function-syntax-p term)))
    (booleanp syntax-good?))
  :rule-classes :rewrite)