I was just wondering what these mean:

$\displaystyle

P \vdash Q \quad \quad

P \Rightarrow Q

$

It might seem easy but I'm just strting out with logical.

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- Sep 12th 2008, 04:31 AMGrichLogical Implication
I was just wondering what these mean:

$\displaystyle

P \vdash Q \quad \quad

P \Rightarrow Q

$

It might seem easy but I'm just strting out with logical. - Sep 12th 2008, 05:48 AMJhevon
google is your friend, and so is wikipedia most of the time. this is the first page that came up when i googled "symbols in logic"

Table of logic symbols - Wikipedia, the free encyclopedia