Stuck on a problem with if NAND is associative. Please help.

[katburns03]

Suppose P and Q are statements. We introduce the following notation for NAND operation.

P NAND Q= PQ

Is NAND an associative operator, i.e., is (PQ)R=P(QR).

Please help!

 

[Deleted member 4993]

Suppose P and Q are statements. We introduce the following notation for NAND operation.

P NAND Q= PQ

Is NAND an associative operator, i.e., is (PQ)R=P(QR).

Please help!

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