PT 35, Sec 4, Question 14

rjh456
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PT 35, Sec 4, Question 14

Postby rjh456 » Thu May 13, 2010 12:12 am

Could someone please explain why the answer to this is B and not E. Clearly I've mixed up my conditionals in some crazy way, but the more I stare at this problem the more I feel convinced it's the non-credited response. Please help!

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Re: PT 35, Sec 4, Question 14

Postby LSAT Blog » Thu May 13, 2010 12:20 am

Evidence: Struggle Early -> Good Perspective = SE -> GP

Conclusion: Struggle Early -> NOT Success Granted = SE -> NOT SG


Sufficient Assumption: GP -> NOT SG (Choice B)


Choice E confuses necessary and sufficient conditions. It reverses them without negating.

I recently did a post going over the logic behind this that you might find helpful.

viewtopic.php?f=6&t=117372#p2958215

-Steve

rjh456
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Joined: Wed Mar 17, 2010 3:15 am

Re: PT 35, Sec 4, Question 14

Postby rjh456 » Thu May 13, 2010 12:32 am

thanks steve! this helps a lot. i think i was mixing up my premises and conclusion.

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Re: PT 35, Sec 4, Question 14

Postby LSAT Blog » Thu May 13, 2010 12:37 am

Glad to help!

Check out PT36, S3, Q12 (p273 in Next 10) and PT31, S2, Q10 (p91 in Next 10) for some similar ones.

If you can do those without any trouble, you've probably got the general concept down.

For some reason, I'm obsessed with how mechanical these babies can be.




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