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Function-syntax

Function-syntax-fix

Fixing function for function-syntax-p

Signature
(function-syntax-fix term) → fixed-term
Arguments: term — Guard (function-syntax-p term).
Returns: fixed-term — Type (function-syntax-p fixed-term).

Definitions and Theorems

Function: function-syntax-fix

(defun function-syntax-fix (term)
  (declare (xargs :guard (function-syntax-p term)))
  (let ((acl2::__function__ 'function-syntax-fix))
    (declare (ignorable acl2::__function__))
    (mbe :logic (if (function-syntax-p term) term nil)
         :exec term)))

Theorem: function-syntax-p-of-function-syntax-fix

(defthm function-syntax-p-of-function-syntax-fix
  (b* ((fixed-term (function-syntax-fix term)))
    (function-syntax-p fixed-term))
  :rule-classes :rewrite)