# [texworks] Latex problem

Wed Feb 29 16:23:10 CET 2012

Hello,
** Manfred Requardt [2012-02-29 12:36:18 +0100]:

> I have the following problem. The command mathcal works e.g. in the
> equation environment but not if I use it within  in text formulas.

First of all, always provide minimal example which shows your problem,
see here
http://www.tex.ac.uk/cgi-bin/texfaq2html?label=minxampl

The second, this mailing list is for TeXworks — TeX/LaTeX/ConTeXt front
end, but not for they discussion, problem solving and etc. Use texhax
mailing list, see here
http://tug.org/mailman/listinfo

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HOW TO PROVE IT, PART 7
proof by forward reference:
Reference is usually to a forthcoming paper of the author,
which is often not as forthcoming as at first.

proof by semantic shift:
Some of the standard but inconvenient definitions are changed
for the statement of the result.

proof by appeal to intuition:
Cloud-shaped drawings frequently help here.