# Tag Info

12

\newline is not defined in Plain TeX. There are also other problems in your code: you set \leftskip and \rightskip but close the group before it can act. \input plipsum % for mock text \def\thm[#1]{% \par % get in vertical mode \begingroup % open a group \leftskip 1in \rightskip 1in % set the margins \noindent {\bf Theorem.} {\it #1}\par\nobreak % ...

9

\documentclass{article} \begin{document} $$\mu_{A}(x)\in [0,1]$$ \end{document} If you change the expression to the one in your question then you get the error message ! LaTeX Error: Bad math environment delimiter. See the LaTeX manual or LaTeX Companion for explanation. Type H <return> for immediate help. ... ...

8

a few basic tools (as used to answer any question on this site:-) 0) Believe the error message and look at line 439 of your file:-) 1) eyeball for common mistakes. 2) add \tracingall or there is; 3) do nothing and hope egreg answers for 1 Most dangerous code is \def~{\hspace{\digitwidth}} There is probably a lot of code assuming that ~ has its ...

7

\\ can not be used to break a paragraph in math mode... Probably you wanted something like or Code (for both of them) \documentclass{article} \usepackage{amsmath} \begin{document} \begin{gather*} 6x_1 + 4x_2 = 9\\ x_1 + 5x_2 = 0 \end{gather*} \begin{align*} 6x_1 + 4x_2 & = 9\\ x_1 + 5x_2 & = 0 \end{align*} \end{document}

6

As you have discovered, the error is caused by the line: \renewcommand{\bibname}{Bibliography \addcontentsline{toc}{chapter}{Bibliography}} This is a terrible place to put the \addcontentsline command, and that's the source of the problem. The simplest solution (without modifying the package itself) is simply to undo this command and put the two parts ...

6

In order for the automatic resizing of delimiters to work, nath redefines a lot of TeX internals. amsmath also defines a lot of TeX internals. Neither nath nor amsmath take into consideration that some other package might redefine the internal macros, and hence the error. By default, \log is defined as follows: > \log=macro: ->\mathop {\operator@font ...

5

In chapter one, you have inserted some strange characters. Don't know, where you got them from. They look like an other font in my TeXnicCenter. Just delete it (like the ù in più in my MWE) and type it again. Maybe some copy/paste issue. %!TEX encoding = UTF-8 Unicode % [12pt] è la dimensione del testo \documentclass{report} \usepackage[T1]{fontenc} ...

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5

The command \ifdefempty expects a single token (which should be a macro) as its first argument. Let's look at what happens with \ifdefempty{description} (which is what you're trying to do) after seeing the relevant definitions: % etoolbox.sty, line 252: \newcommand{\ifdefempty}[1]{% \ifundef{#1} {\@secondoftwo} {\ifdefmacro{#1} ...

5


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