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• Logxor

Logxor-defaults

Behavior of logxor on bad inputs.

Definitions and Theorems

Theorem: logxor-default-1

(defthm logxor-default-1
  (implies (not (integerp x))
           (equal (logxor x y) (logxor 0 y)))
  :rule-classes ((:rewrite :backchain-limit-lst 0)))

Theorem: logxor-default-2

(defthm logxor-default-2
  (implies (not (integerp y))
           (equal (logxor x y) (logxor x 0)))
  :rule-classes ((:rewrite :backchain-limit-lst 0)))