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Since I asked for help yesterday because of a compiling error, someone told me to uninstall MiKTeX and reinstall MiKTeX 2.9. I tried that and the installation always stops near the end, in the same place. I tried installing MiKTeX 2.8 and 2.9, but the same thing happens. I don't get any error ...

Okay, everything was fine, I was able to compile my file about a week ago. Today, I open it and trying to compile in XeLaTeX mode and it fails to compile.

In the window is written:
("C:\Program Files\MiKTeX 2.8\tex\latex\euenc\eu1lmr.fd"

and the compiling stops.

Can someone explain to me what to ...

[…] 1. Your answer solved my problem, but I have a new one. In my book, I have theorems and lemmas. But their numbering continues. […]
You can make such environments share one counter. See code below for the full example.
[…] 2. Which errors do you get? Are you compiling in Xelatex? Cause I do ...

Tnx for the answers.

1. Your answer solved my problem, but I have a new one. In my book, I have theorems and lemmas. But their numbering continues. For example, after theorem 1, if there is lemma, its name is lemma 2. If I write:

\newtheorem{First}{Theorem}
\newtheorem{Second}{Lemma}

the ...

Tnx a lot

And what to do if I want the '(5)' to be under the '=' ?

Okay. Problem:


\documentclass[11pt, twoside, b5paper]{book}
\newtheorem{First}{Theorem}
\newtheorem{Second}{Theorem}
\usepackage{ucs}
\usepackage[utf8x]{inputenc}
\usepackage{amssymb}%baki
%\usepackage{amsthm}%za dokaz
\usepackage{amsmath}%baki
\usepackage{fancyhdr}
\usepackage[dvipdf]{graphicx ...

I want my theorems to be named for exampe:
the first one - Својство 1
the second one - Својство 2
.....

I want the numbers to change, but every theorem is named Својство 1.

Here's my code:
\newtheorem{Својствоо1}{Својство}
\newtheorem{Својствоо2}{Својство}

and later in the code:

\begin ...

Biggest tnx, it solved my problem

How to write (5) on top of = ?
The '(5)' should not be left of the '=' (like $=_{(5)}$), but it should be right on top of it.