[Tex/LaTex] How is the philosophy conclusion symbol drawn


Looks like this:

(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?

Best Answer

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