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PS - From POWERPREP - wiered notations

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Joined: 24 Nov 2003
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Location: Champaign
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PS - From POWERPREP - wiered notations [#permalink] New post 25 Nov 2003, 23:31
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Prob Sol. Set 1 Question # 7

u K t, r K q, s K t, t K r
what is true
u K s
s K q
u K r

WHAT IS THIS NOTATION - I AM TOTALLY LOST - IS THIS HOW IT IS IN THE EXAM.

Even after looking at the soln. I cant figure out what it is.


Prob Sol. Set 2 Question 3
x = " 1, "(xf+xd+xs+x)=

Whats the deal with ", I am assumingit means - (minus). Explaination is vague, any help.

Thanks
SVP
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Joined: 03 Feb 2003
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 [#permalink] New post 25 Nov 2003, 23:54
I think we need to create a chain

If uKt and tKr, then uKr
  [#permalink] 25 Nov 2003, 23:54
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PS - From POWERPREP - wiered notations

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