Statement: Whenever you have any doubt on this subject, you may refer to the book by Enn and Enn. Assumptions: The book by Enn and Enn is available. There is no other book on this subject.
Correct Answer: Only assumption I is implicit
Explanation:
The recommendation of the book by Enn and Enn implies that it is available. So, I is implicit. Also, the book has been referred to as a good one, but this does not mean that no other books are available on the subject. So, II is not implicit.
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