what is an assumption for the argument if I do x, I will

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what is an assumption for the argument if I do x, I will [#permalink]

09 Oct 2012, 04:24

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what is an assumption for the argument

if I do x, I will have y

for example

If I learn gmat, I will get higher score

or

if I take part in gmatcluc, I will learn gmat better.

do you have any general assummption for above kind of argument. I ask this question because I see that this type of argument is popular on og books.

pls, help. Thank you

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Re: if do x , we have y [#permalink]

09 Oct 2012, 04:30

thangvietnam wrote:

what is an assumption for the argument

if I do x, I will have y

for example

If I learn gmat, I will get higher score

or

if I take part in gmatclub, I will learn gmat better.

do you have any general assummption for above kind of argument. I ask this question because I see that this type of argument is popular on og books.

pls, help. Thank you

Two assumptions I can come up with are:
1. Doing X helps in achieving Y. (Taking Part in GMAT Club helps to learn GMAT better)
2. There is no other alternate way u can achieve Y
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Re: if do x , we have y [#permalink]

09 Oct 2012, 07:18

thangvietnam wrote:

Hi thangvietnam,

These are logical connections and the type of logic that you wrote is called and implication logic.

Let me illustrate:

IF x occurs -> then Y occurs

If this is given as a statement and we need to conclude on something, what do we have to look out for.

Case 1: Y occurs. We cannot say for sure that X occurs. So Y -> X is untrue

Case 2: X occurs. We cannot say that Y has also occurred.

Case 3: X does not occur. We cannot say if Y occurred or not. Y may or may not occur.

Case 4: Y does not occur. In that case we can be sure that X has not occurred. Hence (NOT)Y - > (NOT)X

Just remember this:

If X-> Y, then (NOT)Y - > (NOT)X

So, in CR answer choices, if you encounter certain cause-effect relationships, you can use this relation.

Regards,

Shouvik.
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Re: if do x , we have y [#permalink] 09 Oct 2012, 07:18

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what is an assumption for the argument if I do x, I will

what is an assumption for the argument if I do x, I will

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