Reading Comprehension (RC) | Re: For anyone claiming to write a history of a science of which reasoning

This is an "EXCEPT" question. We expect that the passage clearly implies four of the answers, and for the last, it either implies something else or simply is not clear on that point. This last one, the one not clearly implied, is the right answer.
In the last sentence, the passage clearly says we know more about the logical reasoning in Chinese math because of this one work that shows proofs. If we know less about the logical reasoning in ancient Mesopotamian math, it's because those
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