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anonymous
 one year ago
If a, b, and c are boolean variables such that a is true, b is false, and c is true,
which of these expressions:
I.!((a  b) && c)
II.!a && (b && c)
III.!a && (b  c)
evaluates to false?
Pls help
anonymous
 one year ago
If a, b, and c are boolean variables such that a is true, b is false, and c is true, which of these expressions: I.!((a  b) && c) II.!a && (b && c) III.!a && (b  c) evaluates to false? Pls help

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I. ab = true c = true (a  b) && c = true && true = true !((a  b) && c) = not true = false II. !a = false !a && (b && c) = false && anything = false III. !a = false !a && (b  c) = false && anything = false So to answer your question, all of the three expressions evaluate to false
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