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June 21st, 2008, 06:20 PM
#1
Truth Tables
Hi,
Sorry if this thread doesn't belong here... but anyways I need help understanding a truth table I was given. I think I understand it for the most part but I'm confused as to how the last statement results in a true value?
p = T
q = F
p Λ q = F
p V q = T
~ ( p Λ q) = T
(p Λ q) V ~ (p V q) = T
I worked out the last statement as follows:
(p Λ q) = F
(p V q) = T
~(p V q) = F
(F) V F = F
So that contradicts what the book says. Also I checked the errata for this book too and it doesn't mention this as an error. So I'm guessing I got something wrong with precedence.. any help would be greatly appreciated. Thank you!
EDIT: I pulled the statement from this truth table:
http://img258.imageshack.us/img258/9333/ttableme4.jpg
Last edited by SEUNG1; June 21st, 2008 at 06:57 PM.
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