Equivalent Boolean Expressions (De Morgan's Laws)

AP Computer Science A· difficulty 3/5

if (!(a > 0 && b > 0)) {
    System.out.println("no");
}

Which condition is equivalent to !(a > 0 && b > 0)?

Explanation

By De Morgan's law, !(P && Q) becomes !P || !Q, and !(a > 0) is a <= 0.

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