The Idempotent law in Boolean Algebra says that -
2008
The Idempotent law in Boolean Algebra says that -
- A.
~(~X) = X
- B.
X+X=X
- C.
X+XY=X
- D.
X (X+Y) = X
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Correct answer: B
The Idempotent law in Boolean Algebra states that a variable combined with itself using AND or OR yields the same variable. Specifically, X + X = X and X · X = X. This differs from the Double Negation law, which states ~(~X) = X.
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