{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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288 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 ...
5
votes
1answer
594 views
Not numbering Remarks
If I have the following
\newtheorem{remark}{Remark}
I will obtain Remark 1, Remark 2 and so on. May I know how to remove the numbering in Remark? Like I just want the word "Remark" and not the ...
5
votes
1answer
57 views
Parts numbering in Proofs
I am using proof environment from amsthm to type proofs. Some proofs are long, so it would be nice to split them into numbered parts. I have defined new theorem environment called proofpart for that ...
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1answer
770 views
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
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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246 views
Plain enumeration of theorems definitions etc
In my TeX document Theorems, Definitions, Lemmas are enumerated in the following way:
Definition 1.1
Lemma 1.1
Theorem 1.1
Definition 1.2
Lemma 1.2
Theorem 1.2
But I would like to have
...
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2answers
604 views
thmtools: How to prevent pagebreak between theorem and proof?
I am using thmtools to format a collection of theorems and their proofs.
Is there any way to prevent a pagebreak from happening between the last line of a theorem statement and the first line of the ...
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votes
2answers
59 views
Theorem/remark/proposition/etc tagging/labelling
I have been wondering this for years, and never really had so much trouble that I couldn't bear not to know, but now I think I'll just ask and see if anyone knows.
It is common practice to label ...
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1answer
137 views
Indent text after line 1
How can I accomplish something like this:
Basically, I want my text to be "indented" after the first line. It would be great if somebody knew an answer. Ideally I would like to do this, because I ...
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1answer
126 views
Non-italicized text in a \newfixedcaption
This is a very specific follow-up question to this answer given to this question.
I want to insert a picture, and use overpic to label it, in between two paragraphs of text in a thm environment ...
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2answers
282 views
Theorem environment - centered line
\begin{theorem}
Let apples be fruits and let tomatos be a veg. Then the following is true:
\centerline{apples are veg}
\end{theorem}
I just read that one shouldn't use centerline because it's TeX ...
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1answer
1k views
How to change the way theorems are displayed with LyX?
The theorems are currently all displayed in bold, but I would like to display them in small-caps.
My question is much like this one. However, I am using LyX with an AMS style document class, and was ...
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1answer
481 views
How to avoid double dot in Theorem Head Spec in case of theorem with no name?
I'm using the \newtheoremstyle{name} command to generate a specific theorem head spec in the form of:
{\thmname{#1}\thmnumber{ #2}.\thmnote{ #3}}
where #1 is Theorem, #2 is 'the theorem number', ...
5
votes
1answer
75 views
Add vertical space before and after framed-theorem environments
I want my theorem-like environments to be framed, as it's an effective way of making them stand out from the main text.
According to Gonzalo Medina's answer to the question box around theorem ...
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votes
1answer
61 views
Change from “Theorem 10.1” to “10.1 Theorem” [duplicate]
Possible Duplicate:
Numbering theorem-like environments">Numbering theorem-like environments
How can I change the order in which theorems are displayed? I want 10.1 Theorem and not Theorem ...
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1answer
88 views
thmtools - issue with head number style
I'm using thmtools to define a custom example environment. I'm styling the head as italic, but the number is not being styled correctly: it appears in normal mode instead of italic (the dot after the ...
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2answers
115 views
List of short problem names?
I typeset a book with problems and solutions. I need to get a list of short problem names. I expected there will be a way similar to pitcures:
\caption[Figure name for List of Figures]{Caption name}
...
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1answer
209 views
Line break in theorem header
I am using ntheorem to define my own environments like this
\theoremindent=0cm
\theoremheaderfont{\kern-0cm\normalfont\bfseries}
\theorembodyfont{\upshape}
\theoremstyle{break}
...
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2answers
809 views
placement of QED symbol on numbered equation line
This question is both on LaTeX and on mathematics writing style; I hope that's still apropriate here.
I have a proof that ends with a (right) numbered equation, and I'm pondering about where to put ...
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1answer
696 views
Normal font in theorem when typesetting algorithms
I'm using amsthm and clrscode to typeset algorithms. I'd like to have my algorithms numbered, so I do this:
\theoremstyle{plain}
\newtheorem{algorithm}[equation]{Algorithm}
\begin{algorithm}
The ...
5
votes
1answer
60 views
Modified Section Labeling with Theorem Environment
I am writing up solutions to qualifying exams at my school, and want to label the sections according to the corresponding solutions. The issue, is that each year there are two quals--one in January, ...
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votes
1answer
94 views
Theorem title formatting
I want to display a theorem title, it is simple:
\begin{theorem}[Name]
I get
Theorem 4.5 (Name).
but I don't like the dot at the end. I want it to look like this:
Theorem 4.5. (Name)
Can you ...
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1answer
82 views
Preferred way of creating problem and solution environments
I know we can create problem-solution pairs using the exercise package but I am looking for something that is much simpler and similar to theorem and proof environments. I have solved this problem in ...
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1answer
288 views
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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votes
1answer
551 views
ntheorem and theoremname
I'm using ntheorem (mostly for thmmarks), and I'd like to change the font used for the theorem name. Specifically, I'd like
\begin{theorem}[Name of theorem]
to generate "Theorem 1 (Name of ...
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votes
1answer
69 views
Using page counter in \newtheorem
I would like to use the page counter as a the first part of the label for definitions. I tried
\newtheorem{definition}{Definition}[page]
but that wouldn't work if the definition is at the top of a ...
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votes
1answer
234 views
Exporting Definitions
Below is part of the code for my notes. I would like to "easily" create a new document displaying only the definitions, theorems, and lemmas. I can copy and paste this and just delete what I do not ...
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1answer
336 views
Spacing (numwidth) control for listtheorems
I am using the \listtheorems command from ntheorem to generate a list of theorems for a document. However, because I number the theorems inside sections, the theorem number is a bit on the long side, ...
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1answer
479 views
Page-breaking over titles of theorems that have lists
When I have multiple part theorems, I use an enumerate environment inside my theorem environment. However, I don't like the list to start at the same level as the theorem title, since this produces ...
4
votes
2answers
593 views
QED symbol on the same page as proof
I'm using the proof environment from the amsthm package. In some cases, the last line of a proof falls at the end of a page, but the QED symbol (the little white box) ends up on the following page.
...
4
votes
2answers
274 views
How to configure theorems depending on the document class?
I would like to have \newtheorem{teo}{Teorema}[chapter] if the book class is loaded but \newtheorem{teo}{Teorema}[section] if the article class is loaded. Can I do this with some sort of ...
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2answers
433 views
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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1answer
1k views
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 ...
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2answers
343 views
ntheorem environment with indentation
Considering this post theorem environment with hanging indentation and Stefan's answer,
I'd be interested in the same approach with ntheorem. I've been through the .sty file but I have hard time ...
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2answers
547 views
How to make equations, figures and theorems use the same numbering scheme
It was asked a while ago how to make equation use the same counter as a theorem for example and one solution was to make the theorem counter use the equation instead by using
...
4
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1answer
466 views
Changing `proof` endmark when using `ntheorem` with `thmmarks` and `amsthm` options
Q: Is there an easy way to change the default proof environment endmark (it's normally a funny open square and I'd like to change it to \blacksquare) when using the ntheorem package with the amsthm ...
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302 views
Numbering theorems within the innermost sectioning environment present at that point in the document?
Here is what I am trying to achieve:
Chapter 1.
...
Theorem 1.1.
...
Section 1.1.
...
Theorem 1.1.1.
...
Subsection 1.1.1.
...
Theorem 1.1.1.1.
Is this even possible? If so, how?
...
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votes
2answers
104 views
My custom theorem/proof environments aren't playing well together
As can be shown in the following MWE, when I have a theorem environment followed by a proof environment, the proof isn't going into the next line; it's rendering right on top of the text I have for ...
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votes
2answers
465 views
How to suppress vertical space between theorem heads and enumitem environments?
How can I suppress vertical space between a theorem head and an enumitem
environment?
I would like the output to look like version 3 below, but I hope there is an
automagical solution without ~ and ...
4
votes
1answer
219 views
Subsections for theorems
\documentclass[14pt]{article}
\usepackage{amsmath,amsfonts,amssymb,amsthm}
\newtheorem{thm}{Theorem}[section]
\newtheorem{defn}[thm]{Definition}
\newtheorem{cor}[thm]{Corollary}
...
4
votes
1answer
513 views
Best Practices for Using Enumerations Within Theorem Environments
Suppose one has a theorem/proof such as:
\begin{theorem}
The following are equivalent:
\begin{enumerate}
\item Statement 1
\item Statement 2
\item Statement 3
\end{enumerate}
...
4
votes
2answers
874 views
Wrong spacing before theorem environment (amsthm) (LaTeX)
I am using the asmthm package to have environment.
I also use \usepackage[onehalfspacing]{setspace} to have 1.5 line spacing.
However, when I use the the theorem environment, the spacing before is ...
4
votes
1answer
742 views
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 ...
4
votes
1answer
274 views
'List of theorems', translated into my language
I'm using \listoftheorems (part of the thmtools package) to show a list of all my theorems. It works really well, but it prints "List of theorems" in English; I would obviously prefer it to be in my ...
4
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1answer
677 views
Numbering theorems in the appendix by adding the appendix letter in front/after the theorem number
Can someone please tell me how to make definitions, theorems etc. in the appendix look like Definition A1 or Definition 1A (an "A" should be somewhere), if the appendix is "numbered" with A (meaning ...
4
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2answers
790 views
How to get correct autoref for theorems
I have some own theorem environments. And my theorems are numbered like the chapter. Now I would like to use autoref with that. But it does not work like it is described here ...
4
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1answer
881 views
Theorem content right after theorem name in beamer
When we write a theorem in beamer, by default the theorem name and theorem content are in different lines, like this:
|-------------------------------------------
|Theorem 1
...
4
votes
1answer
976 views
How can I change the spacing before theorems with amsthm?
I have a spacing problem. Whenever I include a theorem environment, \begin{theorem}\end{theorem}, the theorem appears very close to the previous line. The spacing is much less than the normal spacing ...
4
votes
2answers
106 views
Common numbering with ntheorem
I have the exact same question as detailed in Common, per-section numbering of theorems, lemmas etc., but I am using ntheorem and so can't use the accepted answers code. Does anyone know how to adapt ...
4
votes
1answer
83 views
\listoftheorems not appearing on pdfbookmark
I'm using thmtools \listoftheorems to generate a list of the theorems that I use in my thesis. So far so good, I've been able to put the list in my table of contents. However, there is no entry for ...
