hali12
help with "truth tables"



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vf321
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What about em?

hali12
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vf321
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What's the problem with that?

vf321
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Which one to choose? Do you know what the implies operator means?

hali12
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no

jim_thompson5910
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p > q is only false if p is true and q is false

jim_thompson5910
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So ~p > ~q is false when ~p is true and ~q is false

hali12
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p  q 

T  T  T
T  F  T
F  T  F
F  F  T

jim_thompson5910
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dw:1344201917880:dw

jim_thompson5910
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that's not the final answer, but it helps you lead up to it

hali12
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p q ~p ~q ~p → ~q
T T F F T
T F F T T
F T T F F
F F T T T

hali12
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this?


hali12
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??

jim_thompson5910
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that's it