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Irr-lifetime

An irrelevant lifetime.

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

Function: irr-lifetime

(defun irr-lifetime nil
  (declare (xargs :guard t))
  (lifetime-auto))

Theorem: lifetimep-of-irr-lifetime

(defthm lifetimep-of-irr-lifetime
  (b* ((acl2::irr (irr-lifetime)))
    (lifetimep acl2::irr))
  :rule-classes :rewrite)