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Qn #1689
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A tautology is a Boolean formula that is always true. Which of the following is a tautology?
A.
$x$
B.
$(x+\overline{x})y$
C.
$x+\overline{y}+\overline{x}$
D.
$xy+\overline{x}$
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❓ Question: A tautology is a Boolean formula that is always tr... | TANCET Group Studies | Tancet Group Studies