[求助]新PREP2-74

yuoasd · 发表于 2018-6-12 20:48:50

上周四发出5个特殊订单
所有building supplies在周五发出
周末停止发货
4个订单发到TC
只有3个包括building supplies

由此，可以推测，至少有一个不是周五发出的，既然周末不发货，那么剩下的这个是在周五前发出的！！！
而且上周四发出的5个特殊订单并没有排除包含building supplies的可能！！！

AMBER513 · 发表于 2019-8-26 11:14:15

alohabrian 发表于 2009-3-16 23:19
Thefive specially ordered shipments sent out last week were sent out onThursday, and each of those s ...

同意！

Bensontuo · 发表于 2019-8-26 15:29:22

hang13 发表于 2009-3-16 21:35
74.   (28254-!-item-!-188;#058&002906) Comcorp Shipping Clerk:  Last week, no sh ...

If the argument is true, something must be true

你以為在考must be true, 其實他在考的是necessary assumption ( 必要假設）

Core of the argument:

1. If shipments of building supplies ---> Not on Friday

2. If 5 specially ordered shipment be sent out ---> consisted entirely of building supplies ---> It must be on Thursday

3. 4 shipments ---> TC ---> no building supplies

lets see the answers

A. Not necessary true

B. We only know that no building supplies were sent on friday and that all 4 shipment without building supplies are sent to TC. ( Shell game answer, could be true, could not be true )

C. Totally correct answer. Think in this way that if all 5 specially ordered shipment must be entirely building supplies, and none of the building supplies were sent to TC, then apparently it must be true that it is impossible to have any specially ordered shipments sent to TC.

D. 1. 我們知道五件特別配送在禮拜四送, 但是不代表禮拜四只送五件特別配送

阿美夜總會有五個小姐會在禮拜四出現, 但是不代表禮拜四的阿美夜總會只有五個小姐。

E. You can't infer that.

[求助]新PREP2-74

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