lalazx7
Construct a truth table for ~q → p.
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ParthKohli
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Can you try it before you ask? I have the answer.
UnkleRhaukus
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\[\begin{array}{|c|c|c|}\hline q&\sim q&p&\sim q\rightarrow p\\\hline T&&T&\\T&&F&\\F&&T&\\F&&F&\\\hline\end{array}\]
UnkleRhaukus
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what did you get for the ~q column @lalazx7
lalazx7
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I don't u understand how to work the problem from the beginning, can yiu simplify
ParthKohli
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@UnkleRhaukus \neg q
UnkleRhaukus
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\[\begin{array}{|c|c|}\hline q&\sim q\\\hline T&\\T&\\F&\\F&\\\hline\end{array}\]
ParthKohli
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@lalazx7 Do you know what a truth table is?
myininaya
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2 variables means you will have 4 rows
The 2 variables are p and q.
I do every possible combination I can think of
TT
TF
FT
FF
Then I do the other columns
ParthKohli
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Here is how you set up:
p q ~q ~q->p
UnkleRhaukus
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when the statement is is true the negation of the statement is false,
when the statement is false the negation of the statement is true
lalazx7
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No I have never seen this before
UnkleRhaukus
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im not sure how to help you
Matrix65
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whats the oposite of true(T) @lalazx7
lalazx7
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Ok thanks anyway
False
UnkleRhaukus
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\[\begin{array}{|c|c|}\hline q&\sim q\\\hline T&F\\T&F\\F&\\F&\\\hline\end{array}\],
now what is the opposite of false
lalazx7
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Oh ok I get it now
lalazx7
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Duh, I'm so silly