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Section 9.12 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.
Aside: Video Description.
How to translate logical statements in English to logical expressions that the computer will interpret in the intended way
For example: in English, "x and y are greater than z" would translate to C as (x>z)&&(y>z)
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!
