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Looks like this: Conclusion

(Maybe called "therefore"?)

Also, what's a good guide for philosophy symbols in LaTeX?

Edit: Looked up http://osl.ugr.es/CTAN/info/symbols/comprehensive/symbols-a4.pdf for "conclusion", "therefore" and "philosophy", and it's not what I'm looking for.

Edit 2: No, in page 35 what appears is not what I'm looking for. This symbol is drawn before the "conclusion" sentence in Philosophy, so it would be:

\conclusion conclusion

Edit 3: According to http://www.artofproblemsolving.com/Wiki/index.php/LaTeX:Symbols , \vdash is the symbol I need, But I'm not able to insert it into a sentence like this:

\vdash conclusion

It tells me:

Missing $ inserted.
Missing \endgroup inserted.
Lonely \item--perhaps a missing list enviroment.
\begin{document} ended by \end{enumerate}
Extra \endgroup

If I remove \vdash from the line it's inserted to, all these errors disappear and the document compiles correctly. Maybe I'm missing a package?

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Did »How to look up a symbol?« reveal something? – clemens Mar 10 '13 at 12:34
See p35 of this. – Jubobs Mar 10 '13 at 12:35
I'd say that \vdash is what you're looking for. – egreg Mar 10 '13 at 12:40
@Pyrobisqit \vdash can only be used in math mode, like so, for instance: $\vdash$. – Jubobs Mar 10 '13 at 12:52
up vote 4 down vote accepted

It is good practice to wrap your wrap the \vdash into a command. That way you can change the command once in the preamble (say you suddenly need it bold, or larger, or whatever) and it will be changed everywhere in the document. E.g.,

\item [P1] first premise
\item [P2] second premise
\item [\concl] conclusion 
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Sounds much cleaner indeed, applied to my LaTeX master template! – dfhsfhdsfdhsdfgjsfgjdsdfgjsfgj Mar 10 '13 at 15:50

Solved! What I did is this:

    \item [P1] Premise1
    \item [P2] Premise2
    \item [P3] Premise3
    \item [$\vdash$] Conclusion
share|improve this answer

For what it is worth, http://gregorywheeler.org/latex/phil-style2.html provides a few esoteric philosophy symbols, plus links to sites for logicians. There is also a now-defunct tex-blog (http://www.charlietanksley.net/philtex/) and Charles Tankley's guide to LaTeX for philosophers: http://www.charlietanksley.net/latex-guide.html

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Hey! Those links are nothing short of awesome! I'm absolutely bookmarking this for future reference! Thanks a lot :) – dfhsfhdsfdhsdfgjsfgjdsdfgjsfgj Mar 10 '13 at 22:03

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