[texhax] A Question

[William Adams]

Robert Sherry asked:
>    In logic, a vertical bar or hat sign is often placed on top of a 
> variable
> to indicate
> the not operator. Could somebody please tell me how to do this in 
> LaTex/Tex?

First, go to the FAQ:
http://www.tex.ac.uk/cgi-bin/texfaq2html

the look up ``symbols''
to find:
http://www.tex.ac.uk/cgi-bin/texfaq2html?label=symbols
(Where can I find the symbol for ?)

which will point you to:
ftp://cam.ctan.org/tex-archive/info/symbols/comprehensive/

which should have a solution.

If not, look up some of the docs on doing mathematics in LaTeX.

William

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