sdcar2010 发表于 2012-2-20 21:12
Sufficient assumption. If you plug in B) into the argument, the argument is enabled because if these ...
binglunwanxzy 发表于 2014-5-18 20:35
过了很久还是要问。。。
按照这个解释那不是得有一个潜在的assumption:the number of people who illega ...
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