My Math Forum Laws of Logic

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 December 4th, 2012, 02:08 AM #1 Newbie   Joined: Aug 2012 Posts: 24 Thanks: 0 Laws of Logic Hi could someone double check for me please that I have simplified the below expression correctly. Thank you. ((p --> q) --> p) and (p or q).....Original Question ((-p or q) --> p) and (p or q)........Implication (-(-p or q) or p) and (p or q)........Implication ((--p and -q) or p) and (p or q).....De-Morgans ((p and -q) or p) and (p or q).......Double Negation (p or (p and -q)) and (p or q).......Rearranged p and (p or q).........................Absorption p.......................................Absorption Final Answer = p
 December 4th, 2012, 08:37 AM #2 Newbie   Joined: Sep 2012 Posts: 17 Thanks: 0 Re: Laws of Logic Your solution is correct.
 December 4th, 2012, 01:11 PM #3 Newbie   Joined: Aug 2012 Posts: 24 Thanks: 0 Re: Laws of Logic Awesome, thanks for checking.

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