Answer to Question #106774 in Philosophy for Biplov

Question

Based on the truth-value of the first claim, determine what, if anything, you can about the truth-value of the second claim (show your work).
8. a. All cars are fossil fuel burners. (False)

b. Some fossil fuel burners are not cars.

Answer 1

 a. All cars are fossil fuel burners. (False).


b. Some fossil fuel burners are not cars.

The first premise is invalid because some cars are electrically run. The second allegation is valid because, since cars are not the only fossil fuel burners.