The question is here: http://dl.getdropbox.com/u/175564/logic.png [Broken](adsbygoogle = window.adsbygoogle || []).push({});

The correct answer is D.

My attempt to the problem:

Let the beginnings of the sentences be A.

In a, A is B -/-> C is D.

In b, A is B -/-> C is D.

These first two do not make sense.

in c and d, the word "only" suggests exaggeration.

In c, A is B -/-> B must be C.

In d, A is B -/-> A must be C.

Still, I am sure thoroughly why d is the correct answer.

Please, let me know why.

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# Multiple Choice question about Proposition Logic

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