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December 4th, 2012, 01:08 AM   #1
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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
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December 4th, 2012, 07:37 AM   #2
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Re: Laws of Logic

Your solution is correct.
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December 4th, 2012, 12:11 PM   #3
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Re: Laws of Logic

Awesome, thanks for checking.
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