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Help with my Logic Conditional proof? How do I solve these problems?

Forums: Philosophy, Logic, Proof, Conditional Proof
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Procyonarc
 
Reply Wed 11 Apr, 2012 07:53 pm
Help me with whichever question you know. Thank you so much!

1) -(P --> -Q) Ⱶ P&Q

2) -P & -Q Ⱶ -(P v Q)

3) -(P v Q) Ⱶ -P & -Q

Thank you so much!
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markr
 
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Reply Sat 21 Apr, 2012 02:41 am
@Procyonarc,
This is late, but create truth tables for each side.
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