PT52, LR1, Q16

lsatextreme
Posts: 523
Joined: Thu Sep 24, 2009 2:18 am

PT52, LR1, Q16

Postby lsatextreme » Sun Jun 06, 2010 1:01 am

Was anyone else tripped up by this question? It wasn't the usual parallel flaw type of question I was expecting. I noticed that it started out as saying "If you believe in A, then you believe in B." And then it said but the EXISTENCE of B has been refuted, therefore the BELIEF in A is false. I was looking for this setup and I couldn't find it at all, and I was surprised that 'A' was the right answer since it said "If you believe in A, then you believe in B, but the EXISTENCE of B has been refuted, therefore the EXISTENCE of A is false."

Had I known it was a simple "if A then B, not B therefore not A" deal, I would have chosen the correct answer in a jiffy but I got confused...

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zworykin
Posts: 449
Joined: Thu May 20, 2010 4:18 am

Re: PT52, LR1, Q16

Postby zworykin » Sun Jun 06, 2010 1:08 am

But if something doesn't exist, then a belief in it is false...

lsatextreme
Posts: 523
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Re: PT52, LR1, Q16

Postby lsatextreme » Sun Jun 06, 2010 1:11 am

I don't know if I'm just retarded or something, but is that actually common sense? For some reason I didn't think that was necessarily true...shit




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