{theorems} are environments which are commonly numbered. They are extensively used in math texts. Examples of such environments are theorems, corollaries, lemmas, propositions, remarks and definitions. Popular packages are {amsthm}, {ntheorem}, and {thmtools}. Covers discussion on proofs too.

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Numbered Definitions, Theorems in beamer

How to get numbered Lemmas, Definitions, Theorems and so on in beamer?
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Proofs in Beamer

I'm writing a presentation in Beamer, where I present proofs which are longer than one frame. How to make Beamer to break it automatically to another frame? If it is not possible how am I supposed to ...
6
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193 views

amsbook theorem numbering

I want theorems to be labeled of the form Part.Chapter.Section.number so I tried \renewcommand{\thesection}{\Roman{part}.\thechapter.\arabic{section}} \newtheorem{book}{Theorem}[section] ...
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5answers
850 views

Pushing \qed to the right within a displayed formula

In my own custom theorem environment, I'm using the \qed command to create a white box. This works wonderfully when the theorem ends with a regular paragraph - the box is pushed to the right where it ...
3
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1answer
176 views

Theorem style with name as argument

Is there some way to get a theorem type which will make a theorem with the name passed as a parameter? In other words, is there a way to define "named" such that \begin{named}[NAME] text \end{named} ...
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New ideas for writing a thesis [closed]

As many of us, I am willing to write a thesis full of maths, fancy environments and all that. Each time I investigate the internet for ideas I find myself ending on the same websites with boring ...
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94 views

Customize environment “proof”

I need to create (or customize) an environment "proof" that has the option to explain after the word 'proof' the name of the theorem (or environment) along with its automatic numbering of the theorem ...
3
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550 views

Using \newtheorem

Edited to include complete code, as suggested: Here is what the preamble of my main file looks like: \documentclass[12pt]{report} \usepackage{epsfig} \usepackage{upmathgrad2} ...
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No Counter Theorem1 is defined

I got an exception in the following latex code: "No Counter Theorem1 is defined", what is the problem? \documentclass[conference]{IEEEtran} \newtheorem{definition}[theorem1]{Definition} ...
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2answers
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problems with hyperref when \thethm points to undefined reference

Consider the following three minimal examples. I do not understand why the first doesn't work while the second and third is fine. Can anyone tell me? Hyperref seems to have problems when \thethm is ...
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2answers
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change label of a single theorem using ntheorem

My question refers to the minimal example pasted below. I would like to change the title of the second theorem (the one with yyy) to Theorem 7' without affecting the theorem counter. That is, the ...
6
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1answer
199 views

Enumeration in theorem environment

I am puzzled with a formating question. I was asked to change that the enumeration gives me italic numbers in the theorem environment to non-italic ones. How can customize enumeration, such that it ...
7
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2answers
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Using `environ` to make a list of environments?

In my document I use an amsthm environment called question, which I use to, well, pose questions to myself for later reference. However, they are spread out in the text. I know ntheorem has a ...
6
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Align the names in \listtheorems (ntheorem)

Question: How do I align the names of theorems in ntheorem list of theorems? Screenshot: Screenshot: (photoshopped) Context: I am using the ntheorem package to typeset a list of theorems and ...
4
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1answer
199 views

Bold small-caps header of theorems in amsbook

I'm using amsbook with amsthm. It seems that amsbook customized the theorem environment so that the theorem name (eg Theorem 1) is written in big caps and small caps, which is fine for me. But I want ...
5
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2answers
167 views

subsection vs Theorem

This a typographical/style question. Inside a subsection (after just one paragraph) I have some theorems (amsmath environment). The word Theorem looks stronger (bold, starting with a capital letter) ...
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0answers
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Is there a guide to the various theorem packages? [duplicate]

Possible Duplicate: Theorem packages: which to use, which conflict? I'm relatively new to LaTeX, and a complete novice when it comes to theorems in LaTeX. But I need to put some some ...
5
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Beamer newenvironment for theorems

I'm trying to define a new environment for theorems and I'm using this code: % Theorem box \pgfdeclarelayer{background} \pgfsetlayers{background,main} \tikzstyle{thmbox} = [inner sep=1em] ...
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1answer
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Custom proof environment

How to define another proof environment, say, for the "Proof of lemma"? Also, how to make it without the qed box? (I need one with qed box, and another one without qed box.) I'm using amsbook ...
4
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1answer
633 views

Lyx 2.0 Formatted references to theorem/lemma/claim environments

In Lyx 2.0, I'm trying to use a formatted reference to a claim, but I cannot get the "formatted" part, i.e. I can't get it to typeset "claim" as well as the claim number. I'm using modules "Theorems ...
5
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1answer
289 views

Equation numbering restart for every theorem

How to make the equation numbering restart after every proof? One alternative is to use \numberwithin{equation}{theorem} but it shows the chapter and theorem number, like (5.5.1). I want the ...
2
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2answers
336 views

Indentation for proofs

I'm using amsbook document class and amsthm package. I want the proofs to stand out from the rest of the text by slightly indenting them, i.e. leaving some margins from left and right. How do I do ...
10
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1answer
549 views

How to change the word “Proof” in the proof environment?

I want to change the word "Proof" into "Solution". Of course the following works. \begin{proof}[Solution] \end{proof} But it's quite cumbersome to add this additional [Solution] every time. Is ...
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1answer
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amsthm's \qedhere in a proof ending in a displayed cases array

Is there a sensible way to get the QED box produced by \qedhere aligned with the last line of the cases environment in a situation as in the examples below? \documentclass{article} ...
2
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1answer
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Changing theorem/lemma… label to bold italics

For theorems in my contribution I use \theoremstyle{plain}. This style prints theorem label in bold italics, eg. 'Theorem 1.', which is followed by text in italics. How could I set 'Theorem 1.' to ...
6
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1answer
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formulas in bold theorem titles in ntheorem package

I'm not quite sure if this counts as a bug or a feature but I have the following problem with the ntheorem package. The theorem title is bold face, which I like, but in math formulas setting some (or ...
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1answer
809 views

End Mark for Examples, Definitions and Theorems in LyX

I'm using LyX and want to have an end mark for examples, definitions and theorems within chapters like this: Theorem 1.1 Statement...... Definition 1.1 Statement...... Example 1.1 ...
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2answers
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AMS theorems in table of contents

I am using the amsthm package. I defined some enviroments like \theoremstyle{plain} \newtheorem{theo}[subsection]{Theorem} \newtheorem{satz}[subsection]{Satz} the numbering works as expectect, ...
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139 views

mathematical symbols

I'm using multidimensional formulas in my work and to differ it from the onedimensional ones I denote it by \mathbf, but what am I supposed to use in the definition and theorems environment to look ...
7
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1answer
202 views

How to alternate labels' styles in enumerated lists?

How can I alternate the display of an enumerated list's counter according to which command I've used? E.g., I want \foo{poor Yorick!} to look like (9) poor Yorick! but I want \bar{Joelle} to have a ...
3
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3answers
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Is it possible to use the enumerate/itemize environment within the proof/remark environment in a nice way?

I wish to use the enumerate/itemize environment within the proof/remark environment, but when I do this the first number/bullet-point is on the same line as the word 'Remark'/'Proof' indented to the ...
3
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1answer
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Can I disable italics in the body text of a theorem without amsthm/ntheorem?

I'm submitting a paper and am required to use a provided document class which defines its own theorem environments, so I can't use packages like amsthm or ntheorem. The class doesn't define a ...
2
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2answers
341 views

Space before proof

I am trying to make LaTeX put no additional space between theorem and proof. Here is my code: \newtheorem*{pr3}{Theorem} \begin{pr3} foo \end{pr3} ...
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Theorem Name/Numbering in Margin

I have seen the previous discussion on this same issue before (see Theorem name and number in margin, note in text), however this did not resolve anything as clearly as I had hoped. Basically, I ...
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1answer
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Specification in `theorem` environment also bold

I'm using the following packages/options in my article: \documentclass[b4paper,12pt]{article} \usepackage[english]{babel} \usepackage{amssymb} \usepackage{amsmath} ...
2
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1answer
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Reference Lemma from the same document

I am writing a document, where I have 3-4 Theorems, and a Lemma. I want to refer to the Lemma in the Theorems (possibly highlighted and a link to the Lemma). How should I go about doing it? I tried ...
5
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1answer
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amsthm: Theorems, Lemmas numbered backwards

What I want \newtheorem{thm}{Theorem} \begin{thm} A \end{thm} \begin{thm} B \end{thm} \begin{thm} C \end{thm} Ends up generating Theorem 1 A. Theorem 2 B. Theorem 3 C. What I want instead: ...
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1answer
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Redefining a theorem counter

I have a document with a lot of lemmas and theorems. In the main part of the document there are sections and subsections, so I defined \newtheorem{lem}{Lemma}[subsection] to number the lemmas ...
3
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1answer
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How can I input endmark?

This is my code \documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage[thmmarks,standard,thref]{ntheorem} ...
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2answers
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newtheorem report class with `part' as reset counter

Sorry i have no MWE for this question. I have a .dtx class and looking at the diff between a previous "good" version and the present i have, there is nowhere some recollection about what exactly is ...
8
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1answer
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Change only the ending with renewenvironment

I have a theorem environment I've made called "ex" (using the theoremstyle "definition"), which I use for examples in a book document class. I like that I can number the examples, but I want a proof ...
3
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2answers
514 views

How to number equations within theorem-like environments

I want to enumerate equations within theorem-like environments. Example: \documentclass[a4paper,10pt]{article} \usepackage{amsmath,amsthm} \newtheorem{theo}{Theorem}[section] % \begin{document} ...
10
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1answer
259 views

Enumerate environments within theorems

How to create an environment for enumerating that allows one to identify the enumeration with the theorem environment? Example: Definition 1.1 Let X be a set. An algebra over X is a collection C ...
1
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1answer
260 views

Interference between amsmath and ntheorem

I am having some problems that `seem' to me to be a conflict between amsmath and ntheorem. Here is a MWE: \documentclass[12pt,a4paper,oneside]{report} ...
10
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1answer
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A problem with thmtools

I updated my TeXLive yesterday and thmtools is being problematic... Running pdflatex on the following minimal example \documentclass{article} \usepackage{thmtools} \begin{document} Hello ...
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1answer
203 views

Using extended theorem names with \hyperref

I've a question about the usepackage hyperref. I just link to the different theorems, lemmas etc. in my paper, writing Theorem \ref{text} I get a red or green (depends if it is a literature ...
7
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2answers
1k views

Custom theorem numbering

This one should be easy for the gurus… Suppose I want to define a theorem environment which has a custom numbering scheme. That is, instead of being numbered according to some counter, it is numbered ...
4
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1answer
291 views

Horizontal spacing issue in \listoftheorems using amsthm + thmtools

I am using the command \listoftheorems with packages amsthm and thmtools. The problem is that the theorem's head and its optional title overlap. How can I make this space bigger to avoid overlapping? ...
4
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1answer
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Numbering theorems within chapters

I've recently asked a question: Chapters in TeX regarding working with chapters in tex. I have since learned that I must use documentclass report for the purposes of my document. However, now all of ...
5
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2answers
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Spacing for \listtheorems in ntheorem

Q: How do I get my theorem number and name to not overlap each other in my list of theorems? This is basically the same question as "Spacing control for listtheorems". But the solutions mentioned ...

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