以下语句到数学逻辑的正确翻译是什么?
“一些实数是有理数的”
(A) A
(B) B
(C) C
(D) D答案： (C)
解释：
(A) "There exist some numbers which are either real OR rational"
(B) "All real numbers are rational"
(C) "There exist some numbers which are both real AND rational"
(D) "There exist some numbers for which rational implies real"
(See Propositional Logic for details)
Clearly answer C is correct among all这个问题的测验