Boolean function

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A function in Boolean algebra. The function is written as an expression formed with binary variables (taking the value 0 or 1) combined by the dyadic and monadic operations of Boolean algebra, e.g.

f = (xy) ∨ (x′ ∧ z)

for any particular values of its constituent variables, the value of the function is either 0 or 1, depending on the combinations of values assigned to the variables. A Boolean function can be represented in a truth table. It can also be transformed into a logic diagram of logic gates. See also product of sums expression, sum of products expression.

Subjects: Computing.

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