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Transunit

Transunitp

Recognizer for transunit structures.

Signature
(transunitp x) → *

Definitions and Theorems

Function: transunitp

(defun transunitp (x)
  (declare (xargs :guard t))
  (and (consp x)
       (b* ((decls (car x)) (info (cdr x)))
         (and (extdecl-listp decls)
              (acl2::any-p info)))))

Theorem: consp-when-transunitp

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