{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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1answer
56 views

Name referencing for arbitrary text?

In my TeX file I have a something like this: \newcommand{\head}[2]{ \textbf{#1 \imp:} \textit{#2}\\ } \newcommand{\definition}[1]{ \head{Definition}{#1} } \newcommand{\lemma}[1]{ \head{Lemma}{#1} } ...
5
votes
1answer
678 views

Controlling numbering of theorems in Beamer

I have a theorem that is too long for one frame. As \allowframebreaks does not work within the \theorem environment, I am trying to find a workaround. I can simply end the theorem environment on one ...
4
votes
1answer
71 views

Listings environment within another environment

\newtheorem{alg}{Algorithm}[subsection] \begin{alg}\label{alg:1} \begin{lstlisting}[frame = single, breaklines = true, numbers = left] test code \end{lstlisting} \end{alg} How can I prevent the ...
5
votes
0answers
46 views

Repeat a Theorem [duplicate]

For my thesis I have to repeat my theorems, not just the number but the exact wording of the Theorems. I found the question How to repeat the content of a quote (e.g. introduction+conclusion) without ...
3
votes
3answers
122 views

Changing theorem number systems mid document

I have a numbering system setup for most of my document using: \newtheorem{theorem}{Theorem}[section] \newtheorem{lemma}[theorem]{Lemma} \newtheorem{corollary}[theorem]{Corollary} Which produces ...
6
votes
2answers
227 views

How to change the font size of all theorem environments?

I have several theorem environments: \newtheorem{theorem}{Theorem} \newtheorem{definition}{Definition} \newtheorem{proposition}{Proposition} etc. and I want to change them so that they all use ...
2
votes
1answer
64 views

How to combine thmmarks with addtag for \[\]?

I have the problem, that I have quite a few equations in my text. As I am oftenly unsure if I will need them later as a reference, I searched for a way to avoid exchanging \[...\] with and equation ...
4
votes
1answer
94 views

How to create an unnumbered theorem?

I'm looking for a way to create a new theorem without numbering. I found Theorem without numbering and tried the accepted answer, but I get the error "Command * already defined". This is the code I'm ...
4
votes
1answer
163 views

Axiom 1 and 1' in LyX

I'm using LyX with "Theorems (AMS, numbered by type)" and "Theorems (AMS-extended, numbered by type)" modules. I would like to have the following output: Axiom 1. Lorem. Axiom 1'. Ipsum. Is there a ...
4
votes
1answer
71 views

achieve a theorem like construct without newtheorem

I am trying to achieve a theorem like representation in my beamer presentation as shown. Currently I am defining a newtheorem env for each such construct in preamble, and then using that, as: %in ...
2
votes
1answer
110 views

Theoremstyle with line break but non italic text

I use the theorems (from the amsthm-package) to specify definitions, examples and so on.. I want them to do two things: 1) line break after the label 2) non italic text within the theorem! I ...
2
votes
1answer
73 views

Number of newtheorem overlaps with newtheorem in the Appendix

I have the following code: \documentclass[a4paper,12pt]{article} \renewcommand{\proofname}{\textbf{Beweis}} \newtheorem{Satz}{Satz}[section] \newtheorem{code}[Satz]{MATLAB-Code} \begin{document} ...
5
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1answer
188 views

Can we remove the ( ) bracket from Theorem 1.2.1 ( [7])

Can we remove the ( ) bracket from the environment like Theorem 1.2.1 ( [7]).
2
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0answers
101 views

Why is newtcbtheorem not working while tcbmaketheorem does? [closed]

EDIT: It was simply a matter of outdated package versions. On a mac there are those useful commands sudo tlmgr update –self and after that sudo tlmgr update –all. The following throws the error ...
3
votes
1answer
134 views

Indicator at end of theorem

I'm writing a text with some very long theorem-environments in it and I find the italicised theorems visually not pleasing when they are rather longish. So I'm using the definition theorem style most ...
2
votes
2answers
364 views

\begin{problem} analogue to \begin{proof}

I recently learned about \begin{proof} ... \end{proof}, which is a good environment to work in. My question is whether there exists a similar environment to state a problem, or whether I can write ...
4
votes
2answers
111 views

Italicizing of amsthm package

I'm using the amsthm package, and I noticed that a remark is automatically italicized, while a theorem and a proposition are not. What other keywords have their content automatically italicized by ...
3
votes
2answers
92 views

How to have indented text in ntheorem environment without a newline at the beginning?

I would like to have an indented paragraph inside a ntheorem environment where the first line is not indented. Using the quote-environment inside ntheorem lets the paragraph start with an ugly ...
1
vote
1answer
346 views

Consecutive number of theorems, propositions, etc

I'm using \usepackage{amsthm} \newtheorem{theorem}{Theorem} \newtheorem{proposition}{Proposition} The numberings of Theorem and Proposition are not consecutive (I get Theorem 1 followed by ...
2
votes
1answer
75 views

How can I change the typeface used in my theorem environments

I know I can change the properties of theorem environments (using \newtheoremstyle, as shown below), but how can I change the font type from Computer Modern to Times New Roman? That change should be ...
2
votes
0answers
130 views

How to set the bold font of the keyword Definition using IEEEtran without introducing package ntheorem?

I am writing a paper with the recommended template IEEEtran.sty. IEEEtran has its own theorem environment such as definitions, theorems, axioms, corollaries, lemmas, and so on. I want to set the bold ...
6
votes
1answer
133 views

Theorem-like definition, without using upshape each time

How can I have theorems and lemmas stated in the default italic font, but definitions and examples in upright font, without having to type the \upshape command within each definition and example? I ...
2
votes
2answers
128 views

Difficulty modifying an array environment

I have an array that I had past help on and now I am attempting to modify that array. However, when doing so, parts of my "theorem" keep getting shifted to the next line. Here is a MWE: ...
4
votes
1answer
55 views

reset theorem counter after every subsection and print just #subsection

I have declared \newtheorem{thm}{Theorem} \numberwithin{thm}{subsection}. This numbers every theorem in this format [chapter].[section].[subsection].[numberofthm]. Is it possible to have the counter ...
0
votes
0answers
500 views

loading mps to pdf converter latex

\documentclass[a4paper,11pt,english,openright]{book} \usepackage[ansinew]{inputenc} \usepackage[english]{babel} \usepackage{babel} \usepackage[T1]{fontenc} \usepackage[centertags]{amsmath} ...
7
votes
2answers
90 views

Adding text to a different part of the document

I'm writing a LaTeX document at the moment which has problems (which are created in a {theorem} environment) for the reader in it. I'd like to put solutions to those problems in the end of the ...
3
votes
2answers
92 views

How to write sub lemmas

I want to code like that, Lemma 1. I will marry if, Case (i) I found a soul mate Case (ii) never married How would I code this in LaTeX, I have used \newtheorem{lemma}{Lemma} but I dont know how ...
2
votes
1answer
71 views

Theorem numbering style: How to make number appear before name?

I am currently writing an essay for a class in Functional analysis I'm taking. Now in one of the theorems I have it appears as : How can I make it so that the number one comes before ...
8
votes
1answer
91 views

Numbering theorems with page numbers

I want to number theorems by (page number).(sequential in the page). So in page 6 I would have Thm 6.1 AAAAAABBBVVV Thm 6.2 BBBGGSDFASFASF Thm 6.3 AXASDFASDF and then in page 7 it ...
0
votes
2answers
127 views

Tables inside of ntheorem environment

Very short question: How to put table inside of the ntheorem environment? Simple first try \documentclass[a4paper,10pt]{article} \usepackage[utf8]{inputenc} \usepackage{ntheorem} ...
9
votes
1answer
744 views

How can I create a “Proof of Theorem x.xx” header for a proof environment?

In many papers in mathematics, the author states a theorem in somewhere and adds some explanations and perhaps some lemmas and later starts the proof with a phrase like "Proof of Theorem x.xx" (x's ...
5
votes
1answer
134 views

How to dynamically number theorems?

I am writing an introduction. I want to reference theorems and so on which come later. I want to do something like the following. \newtheorem*{thmcustom}[1]{Theorem #1} Then \begin{thmcustom}[3.2.1] ...
1
vote
1answer
85 views

Reduce the gap between \begin{theorem} and [name]

How can we reduce the gap between the number of a theorem and the name of it, for example if we use \begin{theorem}[Zorn's Lemma] we have Theorem 0.1 (Zorn's Lemma). But my goal is to reduce the ...
3
votes
1answer
40 views

Use lemmas without numbering, without separate thing in preamble for each lemma

My apologies if this question is answered elsewhere; I searched for it with no success. I want to use lemmas in my paper, but I want to do it the dummy way: instead of inserting a different thing in ...
8
votes
4answers
219 views

Why doesn't this code combining \foreach with \newtheorem work?

Here is an example document. \documentclass[a4paper]{amsart} \usepackage{tikz} \theoremstyle{definition} \newtheorem{baseTheorem}{Base Theorem}[section] \foreach \x in ...
6
votes
2answers
117 views

How to get cleveref to treat separate theorem-types as one?

Introduction I'm using a somewhat complex theorem-environment setup which, perhaps, is finally getting me into trouble. I use memoir, cleveref and ntheorem. There is a global thmcounter that all ...
3
votes
1answer
88 views

Is there a way to translate the names of theorems and definitions in other languages, without defining new ones?

Is there a way to translate the names of theorems and definitions in other languages, without defining new ones? For instance, if I use \usepackage[romanian]{babel} the word Proof is replaced by ...
3
votes
1answer
169 views

How to wrap text around theorem box?

I'm using the thmtools to create theorem boxes. \usepackage{thmtools} \usepackage[unq]{unique} \usepackage[usenames,dvipsnames,svgnames,table]{xcolor} \usepackage{wrapfig} \usepackage{float} ...
3
votes
1answer
177 views

ntheorem Box over multiple pages with continued hint?

When my ntheorem Box spans multiple pages, I want it to have a hint on each page, that it is a continuation. How can this be done? Below is some sample code, spanning a box over two pages, which is ...
1
vote
1answer
809 views

\newtheorem in llncs creates problems

I get this error Command \theorem already defined. when I try to define \newtheorem{theorem}{Theorem} within a document with the llncs documentclass. My minimal example is here: ...
4
votes
1answer
403 views

Undefined control sequence in newtheoremstyle

I have the following piece of LaTeX code: \newtheoremstyle{quest} {20pt} % space above {\topset} % space below {} % body font {} % indentation {\bfseries} % theorem head font ...
7
votes
1answer
778 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} ...
2
votes
1answer
113 views

Change the way theorems are numbered within a document

I'm working a document that has one (very large) chapter, in which theorems, lemmas, etc. are numbered with subsubsection, i.e. the start of the document has the command ...
4
votes
2answers
182 views

Math-mode overrun in newtheorem

I would like to have a long math-mode "title" in a newtheorem environment: \documentclass[twocolumn]{article} \usepackage{amsthm} \newtheorem{definition}{Definition} \begin{document} ...
2
votes
1answer
94 views

unaltered citation in theorem

I would like to keep the way my citations are presented to be uniform. When I enter a citation after I declare my theorem it's in italic just like the text for the theorem. Whereas the citations in ...
0
votes
1answer
97 views

About endmarks in thmtools

If I use the `thmtools´ package I get poorly placed endmarks (it appears on the next line) when ending a proof with a centered mathematical equation. How can I fix this? This is my code: ...
4
votes
1answer
86 views

Can one set global numberlike in thmtools?

I want all of my theorem-like environments to be numbered as if they were all theorems. Using thmtools I can do this with code like this: \usepackage{amsthm} \usepackage{thmtools} ...
7
votes
3answers
180 views

Overruns in newtheorem in latex

I'm defining a newtheorem as follows: \newtheorem{definition}{Definition} the problem is when the definition name is long, it results in overruns. I've tried \\ to split the name in two lines, ...
4
votes
1answer
367 views

How to make “claim” environments look like “theorem” environment?

I am using LyX 2.0.5 with document class article and 'Theorems (AMS)' in the modules. From what I understand, the claim environment copies its style from the remark environment. I'd like it to copy ...
4
votes
3answers
316 views

lemma numbering like 1.2.2 Lemma

definition numbering like the below output, im getting the default numbering only. 1.1 Lemma 1.2. Proposition how to do this using in latex coding: \documentclass[fleqn]{gsm-l} ...