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Irr-unop

An irrelevant unary operator.

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

Function: irr-unop

(defun irr-unop nil
  (declare (xargs :guard t))
  (let ((__function__ 'irr-unop))
    (declare (ignorable __function__))
    (unop-address)))

Theorem: unopp-of-irr-unop

(defthm unopp-of-irr-unop
  (b* ((acl2::irr (irr-unop)))
    (unopp acl2::irr))
  :rule-classes :rewrite)