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Old 04-03-2013, 10:26 PM
pcuser pcuser is offline
Senior Member
Join Date: Nov 2009
Posts: 167

Quazar, the method you suggest is actually logic used more often in higher math courses. I sometimes use it to great effect. You need to be good at "seeing" that kind of logic and using only green dots as you have to back up if you hit a contradiction. But, it does often work well when you get good at it. Also, it is best if you only have 2 possibilities for a particular variable. It's harder when you have more 4 paths instead of 2.
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