Judge the inference True or False: ∀ x ( M (x) → R (x)) R (s) ∴ M (s)
A.
正确
B.
错误
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参考答案:
举一反三
【简答题】Here are the twin sisters, Lily and Lucy. They are in Miss Gao’s class. They are two new students. They’re eleven. This is their room. It’s a nice room. There are two beds in the room. One is Lucy’s a...