Logical Expressions in English

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Section 9.11 Logical Expressions in English

We use logical expressions in our language every day. But the way we do so may not translate readily into computer-speak without some extra attention. Remember: computers aren’t humans. They cannot interpret what we might mean. They can only follow predefined rules.

Check Your Understanding Check Your Understanding

1.

Which of the following is the correct logical expression that corresponds to the statement that "Neither A nor B is negative"?

!(A<0 || B<0)
Correct
!(A||B)<0
Not quite. Try again!
!A||!B<0
Not quite. Try again!
A<0 || B<0
Not quite. Try again!

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