This is Discrete Mathematics Note 1: Here I am using the logician’s symbol ~ for

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This is Discrete Mathematics Note 1: Here I am using the logician’s symbol ~ for NOT. Note 2: Although it is never explicitly stated in the readings, the standard operator precedence for logical operators is ~ (highest), /, /, -->, <-->(lowest). This means, for example, that p <--> q --> r / s / ~t must be interpreted as p <--> (q (-->(r / (s / ~t)))) Problem 3: Define a new logical operation NAND (“not and”) by the following rule p NAND q <--> ~(p / q) Determine whether or not the NAND operation obeys the associative law.

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This is Discrete Mathematics Note 1: Here I am using the logician’s symbol ~ for

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