July 13th, 2012, 03:59 PM  #1 
Senior Member Joined: Jan 2012 Posts: 159 Thanks: 0  Proof Structure Having some difficulty seeing how to set up an implication whose antecedent is a disjunction... Any help would be greatly appreciated. 
July 13th, 2012, 04:40 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: Proof Structure
Twopart proof by contradiction?

July 13th, 2012, 04:50 PM  #3 
Senior Member Joined: Jan 2012 Posts: 159 Thanks: 0  Re: Proof Structure
No idea lol guess that's the problem. Googling to try to see the steps so I can try to step through the proof.

July 13th, 2012, 04:58 PM  #4 
Senior Member Joined: Jan 2012 Posts: 159 Thanks: 0  Re: Proof Structure
gonna work on a solution in latex CRGreathouse if you can check back in a bit to check it out I would greatly appreciate it.

July 13th, 2012, 05:43 PM  #5 
Senior Member Joined: Jan 2012 Posts: 159 Thanks: 0  Re: Proof Structure how does this look? 

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