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Irr-type

An irrelevant type.

This can be used as a dummy value of the type.

Function: irr-type

(defun irr-type nil
  (declare (xargs :guard t))
  (let ((__function__ 'irr-type))
    (declare (ignorable __function__))
    (type-void)))

Theorem: typep-of-irr-type

(defthm typep-of-irr-type
  (b* ((acl2::irr (irr-type)))
    (typep acl2::irr))
  :rule-classes :rewrite)