Chapter 7, Level 2 Self-Quiz: CI

. If X • Y is true, then which of the following is correct?

X is true.

X is false.

Both X and Y are true.

Both X and Y are false.

. If X • ~ Y is true, then which of the following is correct?

Y is true.

Y is false.

Y could be true or false.

X is false.

. If X ν Y is true, then can one of the disjuncts be false?

Yes

No

. If ~ (X ν Y) is true, then can one of the disjuncts be true?

Yes

No

. If X ≡ Y is false, and Y is true, then which of the following is correct?

X is true.

X is false.

X could be true or false.

Quiz Content