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• Feat-32p
• Feat-64p

Not-feat-32p-and-feat-64p

At most one of feat-32p and feat-64p holds.

Definitions and Theorems

Theorem: not-feat-32p-and-feat-64p

(defthm not-feat-32p-and-feat-64p
  (or (not (feat-32p feat))
      (not (feat-64p feat)))
  :rule-classes
  ((:forward-chaining
        :trigger-terms ((feat-32p feat) (feat-64p feat)))))