Question about reversing "Most/All" Statements

ioannisk
Posts: 83
Joined: Wed Jul 31, 2013 11:38 am

Question about reversing "Most/All" Statements

Postby ioannisk » Mon Aug 05, 2013 12:58 pm

I'm going through the powerscore bible and I've read that you can not reverse "Most/All" Statements

For example:

A------> B or A---Most---->B can not reverse, while G<---Some--->Not H reverses to Not H<---S--->G

From there, let's take A---Most--->B
Can't I infer that A<---S--->B and reverse that statement to be B<-----S----->A?

Likewise Can't I reduce a-----> b to A---Most--->B and follow the same steps there?

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LSAT Hacks (Graeme)
Posts: 371
Joined: Wed May 30, 2012 9:18 pm

Re: Question about reversing "Most/All" Statements

Postby LSAT Hacks (Graeme) » Mon Aug 05, 2013 1:06 pm

You can reverse most statement to some statements. You just can't reverse them as most statements.

You can reverse all statements to some statements, assuming the original thing exists. For instance, you can't reverse:

Unicorn --> Horn

Because we have no proof that unicorns exist.

ioannisk
Posts: 83
Joined: Wed Jul 31, 2013 11:38 am

Re: Question about reversing "Most/All" Statements

Postby ioannisk » Mon Aug 05, 2013 3:44 pm

Thanks! I have one more question
COuld you explain why, for a situation like V-----Most--->W <------X would not lead to V<----Some---->X if you reduce W<----X to some?




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