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November 29th, 2008, 08:47 AM  #1 
Newbie Joined: Nov 2008 Posts: 2 Thanks: 0  dummy variable.Help PLEASEEEEEE???????
PLPEASEEEEEEEE HELP???? i can't solve this question it looks so weird to me. 
November 29th, 2008, 05:56 PM  #2 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: dummy variable.Help PLEASEEEEEE???????
Do you know what a dummy variable is? Could you come up with a single summy variable that would work with the first 15 lines  the ones with only types A and B?

November 30th, 2008, 01:03 AM  #3 
Newbie Joined: Nov 2008 Posts: 2 Thanks: 0  Re: dummy variable.Help PLEASEEEEEE???????
i am not really sure can you explain to me just the first steps if you can? i am so confused. please??? thank you for your help. 

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