If we believe that the Earth moves, even though we do not : GMAT Critical Reasoning (CR)
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If we believe that the Earth moves, even though we do not

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If we believe that the Earth moves, even though we do not [#permalink]

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New post 08 Jun 2004, 02:31
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If we believe that the Earth moves, even though we do not feel it move, and that the Sun does not move around the Earth, even though we see that it does, we might as well completely give up trusting our five senses.

The arguement above is vulnerable to which if the following objections?

A Why should sight be any less trustworthy than the other senses, when it appears to be the most accurate?

B How can we say that an object we know to be large, such as the sun, revolves around a much smaller object, such as the Earth?

C What authority do the sense perceptions of a single person have when contrasted with the object system of scientific knowledge?

D Why should we refuse to say that the Earth move, When we see the Sun rise and set every day?

E How do we know that the Earth move around the Sun, if it is not evidence gained through the senses?

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New post 08 Jun 2004, 05:22
I guess E is the answer. The author suggests we give up trusting our senses because the phenomena s/he cites to make her/his point run counter to how we perceive them. To weaken the argument we need to provide evidence that the five senses can be trusted.

Choice E does just that as it states that the senses were used to figure out that the Earth moves around the sun and not vice versa.

Last edited by ob on 08 Jun 2004, 08:36, edited 1 time in total.
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New post 08 Jun 2004, 06:00
Once again, I agree with E. Nice explanation ob
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New post 08 Jun 2004, 06:19
Paul wrote:
Once again, I agree with E. Nice explanation ob


Thanks, Paul! :oops:
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New post 08 Jun 2004, 06:37
ob gave a lovely explanation. (E) should be it.
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New post 10 Jun 2004, 10:32
First of all OA is E

thank OB
your explaination is concise and easy to understand
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New post 10 Jun 2004, 13:09
E my FA. ob you nailed it right on the head.
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New post 10 Jun 2004, 13:14
Thank you, guys! :thanks
  [#permalink] 10 Jun 2004, 13:14
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