{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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6
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1answer
210 views

Only show \NAME in \listoftheorems

I am using the thmtools package, and I want to modify \listoftheorems to only print the name of the theorem. For example, my document might look something like the one shown below. When I compile this ...
5
votes
2answers
1k views

`ntheorem` and `thmtools` seem incompatible

I am preparing the setup of the theorem environments for my thesis. I want to do this right before I have say 200 of those environments in my document, since changing them will likely break things at ...
5
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2answers
1k 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
296 views

\newtheorem{def} throws an error

The following is a piece of the code I am working on. It says that there is an error with \newtheorem{def} but I really don't understand why. Thank you very much for your help! ...
4
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1answer
2k views

beamer: Different numbering for Theorems, Examples, Definition, and Lemma

I want to have different numbering for Theorems, Examples, Definition, and Lemma. I use the following code in preamble \setbeamertemplate{theorem}[ams style] \setbeamertemplate{theorems}[numbered] ...
3
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1answer
179 views

thmbox color bar

I would like to ask if anyone knows if it is possible to change the bar color in the thmbox package. One can change the thickness of the bar but not the color. \usepackage{thmbox} ...
1
vote
1answer
101 views

Can I eliminate the dot after Theorem in amsthm?

Instead of 1 Theorem. I want to write 1 Theorem in front of the first theorem and analogously in front of succeeding theorems. How can I get rid of the dot? Here is a MWE: \documentclass{article} ...
1
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1answer
357 views

Special theorem command

My aim in the last few questions was to define a very flexible command allowing the definition of theorems of various kinds. The reason for that was to have a single command basically for all kinds of ...
1
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1answer
1k views

How to remove line breaks before and after theorems?

By default, in the amsthm package, when you begin a theorem, LaTeX begins on a new line, and when you end the theorem, it also jumps to a new line. How can you prevent this behavior? For example, I ...
1
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1answer
346 views

RTL theorems with ntheorem and xetex have separator in wrong place

(This is a split-off from another RTL ntheorem issue.) When you have a theorem in RTL language text (e.g. Hebrew), using XeTeX+polyglossia(+bidi)+ntheorem, the theorem separator comes out before, ...
15
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1answer
5k views

Including end mark in definitions and examples (using amsthm)

I am using the amsthm package, and I have this in the preamble: \theoremstyle{definition} \newtheorem{definition}{Definition}[chapter] \newtheorem{example}[definition]{Example} \theoremstyle{plain} ...
14
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1answer
627 views

Theorem with separate tikz environments for header and body

My initial question: I'm writing my lecture notes in LaTeX and used some customized theorem environments with amsthm so far. Now I wanted to redesign those theorems with help of tikzpicture. That's ...
7
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1answer
1k views

Fancy box around equation

I am trying to get my equations to show up like: This is my attempt thus far: \documentclass[11pt,fleqn]{book} \usepackage[top=3cm,bottom=3cm,left=3.2cm,right=3.2cm,headsep=10pt,a4paper]{geometry} ...
17
votes
1answer
6k 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 ...
13
votes
2answers
740 views

Breaking a theorem between pages

I currently have this custom myexample theorem environment that is working absolutely great. \newtheoremstyle{myexamplestyle}{}{}{}{}{\bfseries}{.}{ }{} ...
11
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2answers
1k views

Different colorcoded theorems

I'm using this code to frame my theorems: \documentclass[a4paper,12pt]{scrreprt} \usepackage[table]{xcolor} \usepackage{latexsym} \usepackage{amsmath} \usepackage[amsmath,thmmarks,framed]{ntheorem} ...
7
votes
3answers
166 views

How to make the enumeration of theorem-like environments indipendent from cross-referencing in a particular way

I'm writing a mathematical paper, and right now I'm using \newtheorem{theorem}{Theorem}[section] to enumerate theorems, propositions, etc. In this way, every statement shows the number of the ...
15
votes
4answers
15k views

Defining my own proof environment?

How would I define a proof environment that is basically used with \begin{proof} some proof here \end{proof} and it would be equivalent to: \paragraph{Proof:} some proof here \hfill \box ?
12
votes
2answers
6k views

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 ...
12
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2answers
2k views

How do I produce Theorems and equations which are numbered by hand?

I'd like to be able to write a LaTex document with numbered theorems and equations, but I would like not to have them numbered automatically, but rather put in by hand. Ideally, I'd like to be able ...
24
votes
6answers
7k 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 ...
15
votes
4answers
690 views

How do I use the boxed theorem name as a QED symbol

I'm wondering if there's a relatively simple way to achieve a result similar to the following: In particular, I'd like to be able to assign names and/or numbers to theorems/lemmas/propositions and ...
14
votes
2answers
709 views

How to create *local* labels/refs in LaTeX?

Concise question: Is there any way to limit the scope in which a \label is visible to a \ref? Motivation: My current goal is to create a rather large document, containing many exercises and their ...
13
votes
1answer
2k views

Duplicating the amsthm proof environment

I am currently writing up some lecture notes and would like to have therefore a "\solution" environment which should work basically as the amsthm \proof environment, just writing "Solution." instead ...
12
votes
1answer
383 views

Is there an “endproof” package?

You may be familiar with the endfloat package, which moves all figures and tables to the end of your document. Is there a similar package for achieving that kind of results with proof environments ...
10
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3answers
6k views

Proof environment - line break after the “Proof.”

I want to make the proof environment in amsthm package to auto add a line break right after the "Proof." I tried the following code, which also removed the QED sign, but it doesn't work: No linebreak ...
10
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1answer
4k views

how to enumerate theorems using letters?

how to enumerate theorems using letters?
8
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1answer
224 views

Using thmtools: numbering with asterisk

I would like to repeat a theorem number with an added asterisk. That is, the original theorem is: Theorem 1. Lorem ipsum... And I would like the analogue theorem to be: Theorem 1*. Lorem ipsum...
8
votes
1answer
289 views

How can I make a custom theorem for a definition?

Looking at the wikibooks article on theorems has me wondering... I'd like to do something, if possible, similar to the default "proof" theorem style, whereby I can add a custom name to each theorem as ...
7
votes
1answer
294 views

How to remove space surrounding a colored theorem box?

This is a follow-up question of Combining spacebelow with shaded parameter in thmtools package. Bug?. How can I get rid of the space above the theorem box? If I comment out the mdframed=... line it ...
6
votes
1answer
3k 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 ...
5
votes
3answers
131 views

Tweaking theorem style last parameter traps?

When I modified the \newtheoremstyle last parameter to get a list for a listoftheorems new command I want to define later, I got some unpleasant side effects I want to get rid of. First unwanted side ...
5
votes
2answers
117 views

Compile only the theorems

Is there a way (package or anything) to compile only the theorems in a tex-document. With theorems I mean the lemmas, propositions and theorems defined in the theorem-environment of the amsthm ...
5
votes
1answer
474 views

Double vertical bars alongside statements of theorems

Prof. Hatcher describes a way to produce them in TeX here: http://www.math.cornell.edu/~hatcher/AT/typography.html I would like to know if any of you guys knows of a way to generate them in LaTeX. ...
17
votes
2answers
6k views

Remove the qed symbol of only a proof environment, not everyone else

I have seen several posts on how to remove the qed symbol in a proof, but that affects all proof environments. I would like to know how to remove the qed symbol in a particular proof because I have a ...
13
votes
3answers
2k views

Theorem name and number in margin, note in text

I'm using thmtools to make ultra-fancy theorems. I would like the Theorem name and number (e.g., "Theorem 1") to jut out into the left margin of the text, and the note (e.g., "The Fundamental Theorem ...
9
votes
1answer
2k views

How to number subtheorems hierarchically?

Problem in a nutshell: I'd like to number theorems that are embedded within other theorems' proofs with numbers that indicate the parent-child relationship between the two theorems. Problem in ...
8
votes
2answers
858 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 ...
7
votes
1answer
822 views

Define proof environment in thmtools

I'm using thmtools for fancy-looking math environments. But I don't know how to redefine proof environment. I cannot find such topics in its documentation. This is my LaTeX code snippet. ...
6
votes
1answer
1k 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 ...
4
votes
1answer
3k views

Case numbering within proof [duplicate]

I am currently using this in the preamble: \theoremstyle{plain}% default \newtheorem{thm}{Theorem}[section] \newtheorem{lem}[thm]{Lemma} \newtheorem{prop}[thm]{Proposition} ...
4
votes
2answers
3k views

Avoid page break in theorem

I have a theorem which is half of it on another page, as I do for you automatically (without \newpage) get full theorem on the next page? \documentclass[a4paper]{book} \usepackage[utf8]{inputenc} ...
1
vote
1answer
280 views

Alternative numbering for theorem

I am using thmtools as a front end to amsthm and I have a definition environment as follows. \declaretheorem[ style=mydefinitionstyle, name=Definition, numberwithin=chapter ]{definition} ...
11
votes
2answers
315 views

Extra spacing around restatable theorems

I'm learning how to use the thmtools package, and I came across a strange quirk. A minimal example is as follows: \documentclass{article} \usepackage{amsthm} \usepackage{thmtools} ...
11
votes
1answer
2k views

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 ...
10
votes
1answer
289 views

Numbering theorems in the left margin

My question is similar to this and this. I would like to have the theorem number in the left margin (0.6em spacing to the main text) and the Name 'Theorem' should be justified to the main text. The ...
10
votes
1answer
2k views

How to add different Q.E.D. symbols to different theorems?

I have a series of theorem styles, two of them look like this: \theoremstyle{definition} \newtheorem{define}{Definition} \theoremstyle{plain} \newtheorem{theorem}{Theorem} I want to add a ...
10
votes
2answers
11k views

Title of the theorem

in my paper the text inside theorem is italic while the word Theorem 1 is bold and not italic. I would like to have a title of the theorem also not italic. The example is here: Theorem 1. (The title) ...
9
votes
2answers
2k 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. ...
8
votes
1answer
4k views

Redefine block template for Beamer theorem-like environment

I would like to redefine the block templates for Beamer's theorem-like environments. For example, the example environment creates an exampleblock. I would like to make the definition environment do ...