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• Parser

Irr-token

An irrelevant token.

Signature

(irr-token) → acl2::irr

Returns

acl2::irr — Type (tokenp acl2::irr).

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

Definitions and Theorems

Function: irr-token

(defun irr-token nil
  (declare (xargs :guard t))
  (let ((__function__ 'irr-token))
    (declare (ignorable __function__))
    (token-ident (ident :irrelevant))))

Theorem: tokenp-of-irr-token

(defthm tokenp-of-irr-token
  (b* ((acl2::irr (irr-token)))
    (tokenp acl2::irr))
  :rule-classes :rewrite)