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September 16th, 2009, 08:22 AM   #1
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Venn diagrams

I am so stuck on this assignment and its the first one of the class.... can someone please help me get through this?

Using venn diagrams determine whether or not these arguments are valid.

a) p->q b) p->q
p ~p
_______ ________
. q . q
. . . .

Any help will be very appriciated, Thanks!
shawnee77 is offline  
September 16th, 2009, 11:37 AM   #2
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What model does your book use for the "if, then" construction?

Thank you!
stapel is offline  

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