Question

Question

Consider the following sentences:
(a) River Song is an archaelogist from the future.
(b) The number 7 is even
Based on these two sentences, which of the following is true?

A. (a) entails (b)

B. (b) entails (a)

C. (a) entails (b) and (b) entails (a)
D. There is no relationship (neither sentence entails the other)

Question
Consider the following sentences:
(a) River Song is an archaelogist from the future.
(b) Either River Song is alive or she is not.
Based on these two sentences, which of the following is true?

A. (a) entails (b)

B. (b) entails (a)

C. (a) entails (b) and (b) entails (a)
D. There is no relationship (neither sentence entails the other)

Answer 1

Again -- what do you think?

Answer 2

1) D. no relationshop
2)A. (a) entails (b)???

Answer 3

I think you're right on both, yes!