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Qualified-ident

Qualified-identp

Recognizer for qualified-ident structures.

Signature
(qualified-identp x) → *

Definitions and Theorems

Function: qualified-identp

(defun qualified-identp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'qualified-identp))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x)
                                 '(filepath? ident)))
              :exec (fty::alist-with-carsp x '(filepath? ident)))
         (b* ((filepath? (cdr (std::da-nth 0 x)))
              (ident (cdr (std::da-nth 1 x))))
           (and (c$::filepath-optionp filepath?)
                (identp ident))))))

Theorem: consp-when-qualified-identp

(defthm consp-when-qualified-identp
  (implies (qualified-identp x) (consp x))
  :rule-classes :compound-recognizer)