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Abstract-syntax-operations

Irr-enumer

An irrelevant enumerator.

Signature
(irr-enumer) → acl2::irr
Returns: acl2::irr — Type (enumerp acl2::irr).

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

Definitions and Theorems

Function: irr-enumer

(defun irr-enumer nil
  (declare (xargs :guard t))
  (let ((__function__ 'irr-enumer))
    (declare (ignorable __function__))
    (make-enumer :name (irr-ident)
                 :value nil)))

Theorem: enumerp-of-irr-enumer

(defthm enumerp-of-irr-enumer
  (b* ((acl2::irr (irr-enumer)))
    (enumerp acl2::irr))
  :rule-classes :rewrite)