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• Vl-propunary

Vl-property-unaryop-p

Very basic unary sequence/property operators.

This is an ordinary defenum.

Function: vl-property-unaryop-p

(defun vl-property-unaryop-p (x)
  (declare (xargs :guard t))
  (or (eq x ':vl-prop-firstmatch)
      (eq x ':vl-prop-not)
      (eq x ':vl-prop-strong)
      (eq x ':vl-prop-weak)))

Theorem: type-when-vl-property-unaryop-p

(defthm type-when-vl-property-unaryop-p
  (implies (vl-property-unaryop-p x)
           (if (symbolp x)
               (if (not (equal x 't))
                   (not (equal x 'nil))
                 'nil)
             'nil))
  :rule-classes :compound-recognizer)

Subtopics

Vl-property-unaryop->string