Concept explainers
We now present a group of exercises that involve the logical operators NAND and NOR. The propositionpNANDq, is true when eitherporq, or both, are false; and it is false when bothpandqare true. The propositionpNORqis true when bothpandqare false, and it is false otherwise. The propositionspNANDqandpNORqare denoted by
53. Show that
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