新手求问OG116的逻辑关系

lunvs · 发表于 2012-8-15 11:25:25

Firms adopting “profit-related-pay” (PRP) contracts pay wages at levels that vary with the firm’s profits. In the metalworking industry last year, firms with PRP contracts in place showed productivity per worker on average 13 percent higher than that of their competitors who used more traditional contracts.

If, on the basis of the evidence above, it is argued that PRP contracts increase worker productivity, which of the following, if true, would most seriously weaken that argument?

从逻辑关系on the basis of the evidence above上看，应该it is argued that PRP contracts increase worker productivity→evidence，可由平常的思维来看，是evidence→argument啊，，是不是这两个→内涵不一样，前一个是逻辑关系，后一个表推导关系。。我觉得我有必要拿本逻辑书来学一学。。

lunvs · 发表于 2012-8-15 11:38:43

想明白了，平常我们生活中的思维用→是证明的意思，也就是逻辑上的必要条件关系。。
可还是很抽象不是

lunvs · 发表于 2012-8-15 11:58:14

刚有一个群里的同学解释的很好。。一个是逻辑，一个是演绎。。
被高中数学演绎推理干扰的孩子伤不起。。

新手求问OG116的逻辑关系

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