{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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4
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2answers
50 views

thmtools notebraces bug?

\documentclass{article} \usepackage{amsmath} \usepackage{amsthm} \usepackage{thmtools} \declaretheoremstyle[notebraces={[}{]}]{style} \declaretheorem[style=style]{theorem} \begin{document} \begin{...
1
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1answer
84 views

non-italic numbering and text in theorem [duplicate]

\documentclass{aip-cp} \usepackage[numbers]{natbib} \usepackage{rotating} \usepackage{graphicx} \newtheorem{theorem}{Theorem} \newtheorem{conjecture}{Conjecture} \newtheorem{define}{Definition} \...
2
votes
1answer
131 views

Theorem numbering

I am trying to number my theorems, corollaries, Lemmas, Propositions, Definitions, Remarks etc. I put the following code: \theoremstyle{theorem} \newtheorem{theorem}{Theorem}[section] \newtheorem{...
3
votes
1answer
254 views

Shaded theoremstyle

I'm trying to create a theoremstyle whith a shaded background. As I already have a working preamble I'd like to change as less as possible. Previously I defined an own theoremstyle 'selfdefined' which ...
2
votes
1answer
76 views

Theorem style with line break and different brackets for title

I want to define a theorem style with a line break and different symbols for the theorem title (no brackets () ). As shown in this example: \documentclass[10pt,a4paper]{article} \newtheorem{mytheo}{...
1
vote
1answer
96 views

How can I add this code in local layout in lyx

I want to add this code in local layout in lyx: \usepackage{multicol} \usepackage{etoolbox}%إطار النظريات \usepackage{blindtext}% \usepackage[theorems,skins,breakable]{tcolorbox}% %% \newtcbtheorem[...
1
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1answer
46 views

numbering theorem in sections of an article [closed]

I am writing an article in WinEdt (Windows 7), but it's creating problem in numbering the theorems in subsections. My article consists of different sections. In section 3 it starts with a Lemma and by ...
7
votes
2answers
161 views

How to label items

Is it possible to label items in latex in the following manner: We have the following theorem: Theorem 3.2 (I) bla bla bla (II) ble ble ble (III) bli bli bli So I would like ...
0
votes
0answers
17 views

Theorem and lemma and proposition numberings with the numbers first [duplicate]

If one considers the following MWE one sees that theorems and lemmas have their number as a suffix: \documentclass[fleqn]{scrartcl} \setkomafont{disposition}{\normalfont\bfseries} \makeatletter\let\...
5
votes
2answers
137 views

In theorem style, how to make the dot font depend on the name font ?

I have to use the thmtools package to style my theorems, lemmas, remarks etc. Unfortunately, I noticed that when I give an optional name to a remark for instance this name is in normal font, but the ...
2
votes
1answer
113 views

Colored text for a theorem statement in beamer poster

I'm using a modified version of the template found here and I followed the advice given here to have theorems typeset in "inline" mode, instead of "block" mode. What I need now is to modify the font ...
2
votes
1answer
130 views

Combining enumerate and align works in theorem environment, but not outside the theorem environment

I was using MWE 1 (which worked fine), but now I want to get rid of the theorem environment (MWE 2). However, that does not work and I get the following error. Any idea how I can make MWE 2 work? ...
5
votes
3answers
136 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 ...
0
votes
3answers
103 views

creating theorem-like environments within 'notes' (see example)

I would like to create the following style to write mathematics: In fact the above I created myself but some numbers and spacing I had to set manually (and I would like this to be automatic of ...
3
votes
2answers
164 views

Transform output \theoremstyle{remark} from italics to bold

I'm using \theoremstyle{remark} To make my cheatsheet. The output of the \theoremstyle{remark} is the one I need, because it doesn't create any space between the defintion. The problem is that the ...
0
votes
1answer
121 views

Table/Summary of Theorems and Definitions

I was wondering if there are any packages out there that will automatically print out a table or summary of the theorems and definitions in my document. I do NOT want a list of the theorems and ...
5
votes
1answer
270 views

How to define a new counter independent of section

I am trying to create exercises within a paper, by which the numbering will be as one would expect (1, 2, 3, ...). However, when defining a new counter and theoremstyle: \documentclass{article} \...
2
votes
1answer
106 views

Remove italic within align inside a theorem-like environment [duplicate]

Is there any way to remove the italic from the words bits in the code below? That is, change the \text output to represent the normal font when an align is used inside a theorem-like environment. \...
1
vote
0answers
8 views

Namespace for theorems [duplicate]

I want to make a theorem \newtheorem*{def}{Definition}. This doesn't compile because \def is already defined. How do I make amsthm use a different namespace for theorems? It doesn't make sense for a ...
2
votes
1answer
612 views

ntheorem: numbering of claim and its proof

I am trying to create a claim environment in ntheorem to use within the proof environment. I tried around with the following code \documentclass{article} \usepackage{ntheorem} \newtheorem{theorem}...
3
votes
2answers
340 views

How to add space around tcolorbox theorem

In amsthm you can easily change the space before and after a theorem. Can this be done with tcolorbox theorem? If so, how? I haven't been able to find anything in the documentation. Minimal example:...
1
vote
1answer
63 views

How can I change the numbering of sections?

My code below compiles a document and so far it prints, e.g.: Definition 1.1 Example 1.1 Example 1.2 Corollary 1.1 But how can I change this to the following: Definition 1.1 Example 1.2 ...
1
vote
1answer
191 views

Theorem without number using mdframed

I am working on a text that involves some theorems and I am using mdframed I want a theorem whit just the optional title \begin{teorema}[title desired] Some text \end{teorema} so far I've seen ...
2
votes
1answer
96 views

Lyx: how to get theorem numbers to have three parts?

Using the document class amsart, how can I get theorem numbers to also contain the number of the subsection and not just that of the section? Here is a minimal working example of what I mean, in ...
2
votes
0answers
31 views

How to put an ending sign within equation for theorem-alike environments? [duplicate]

Thanks to an answer to my question asked here, I used the following codes to generate for each theorem-alike environment exactly one square symbol as the ending sign: \documentclass[12pt]{amsart} \...
4
votes
2answers
171 views

tcolorbox theorem which isn't framed on the sides

Minimal example: \documentclass[]{report} \usepackage{tcolorbox} \tcbuselibrary{theorems} \tcbuselibrary{skins} \newtcbtheorem[number within=chapter]{thm}{Theorem} {theorem style=change apart,...
2
votes
0answers
71 views

How to bring theorem's and lemmas numbers from a thesis document class and put it in the beamer presentation

How to bring theorem's and lemma's numbers from a thesis document class and put them in the beamer presentation, because I want to reffer the audience who have the printed thesis to the number and ...
4
votes
1answer
64 views

How can arguments be used inside headstyle with thmtools?

I'm trying to define something like the named theorems in Customizing theorem name except using thmtools. As far as I understand, the headspec is to be provided in the key headstyle to \...
2
votes
2answers
163 views

How to manipulate theorem body text indentation (using amsthm package)?

I would like to create the following formatting for summing up hypotheses (I am using the report documentclass): Body text. Body text. Body text. Body text. Body text. Body text. Body text. Body ...
2
votes
1answer
46 views

Force itemizing in a new line

Is there an easy way (without editing the theorem environment) to force 'itemizing' start from a new line inside the remark environment ? I tried \par command but nothing seems to happen. I am sure ...
0
votes
1answer
105 views

how to add begin lemma, corollary, theorem in my template?

I am using INFORMS template and it has only \begin{Proposition} option, but I want to add lemma, corollary, theorem etc. How can I do this?
3
votes
1answer
160 views

How get bold and normalfont item into theorem?

I have a numbered list into theorem. Example \begin{enumerate}[label={\bfseries\normalfont{\roman*.}}] \item \end{enumerate} But the picture below show the item is with normalfont but non-bold ...
4
votes
1answer
63 views

Theorems with dash between numbers

I want to make theorems that look like this, but with better spacing: 1-1 Theorem ( Theorem name ) Statement of the theorem. Here is what I currently have: \documentclass{article} \usepackage{...
3
votes
1answer
67 views

one counter for multiple theorems?

I searched the internet for a while now but didn't quite get what i wanted. I want number different theorems with the same counter, which depends on chapter and section. eg Lemma 1.1.1 Example 1.1.2 ...
3
votes
2answers
50 views

Numbering of items in a chapter

I am writing my thesis with book class. All but one of the chapters have subsection. For the particular chapter without a subsection, the first definition number comes as 2.0.1. The 0 is for the ...
0
votes
0answers
33 views

Break a large theorem using mdframed on beamer [duplicate]

I am using mdframed to write theorems and I've been dealing with this theorem that is quite long and hao 4 equations in it. I have tried using [allowframebreaks] and using \framebreak in a specific ...
4
votes
1answer
116 views

Beamer: itemize in presentation mode with lemma duplicates slide

Consider this MWE: \documentclass{beamer} \begin{document} \begin{frame} \begin{itemize}[<+->] \item Next up a lemma. \item \begin{lemma}A lemma.\end{lemma} \end{itemize} \end{frame} \...
1
vote
0answers
28 views

Theorems with hanging indentation, also working with itemize [duplicate]

I've been trying numerous ways to have a hanging indentation in my theorems. I'm using amsthm to define my own theorem styles. What I want is the theorem to indent after line 1 like this: Text ...
4
votes
1answer
280 views

Theorem and proposition with arbitrary number in beamer

I would to set custom numbering for my theorems and propositions, using decimal points. For example, I would the code below to dislpay "Proposition 3.1": \documentclass[xcolor=x11names,compress]{...
2
votes
2answers
257 views

Problem with numbering theorem by section

I am having a problem with the numbering of the theorems (by section) in a paper. My problem is that I want to number my theorems and propositions such that they appear as something like: Theorem 3.1,...
0
votes
1answer
180 views

Theorem numbering with sub-theorems issue

I have a small project for my mathematics degree and have run up against a small problem. I want to have nested levels of theorems/definitions, for instance in the following code it should produce ...
6
votes
2answers
198 views

How to change margins in enunciation (theorem-like environment)?

I'd like the margins in the example environment in the code below to be slightly indented. What is the easiest way of achieving this? It's supposed to apply to all example environments. In the ...
3
votes
1answer
152 views

Allowing pagebreaks for shaded theorems using thmtools

I just searched for a way of allowing pagebreaks when using shaded theorem-environments from thmtools. I found my question was, somewhat, answered here (the second solution) with a comment from the ...
5
votes
2answers
2k views

New Theorem Style

I'm pretty new to LaTeX. And I don't really understand the following code, it is merely a pasted template from wikipedia. I'm trying to make a simple theorem style which is identical to the normal ...
4
votes
1answer
352 views

Need help for fancy theorems using mdframed

I've been working with LaTex for a while and with Tikz I've done stuff nothing fancy just things for homework but now I will write my thesis I want some elegant cool theorem box using mdframed and ...
2
votes
1answer
2k views

Theorem boxes in beamer

Usually I use beamer with the Warsaw theme which puts theorems (and other things) in boxes. Now I switched my theme to Marburg but i still want to keep the boxes. How can one do that?
0
votes
1answer
95 views

Enumeration of theorems

Suppose I want to write a theorem. Using \begin{theorem} ....... \end{theorem I obtain something like Theorem 0.0.1 But I want only Theorem 1 The preamble is \documentclass[10pt,...
4
votes
1answer
541 views

Mysterious Vertical Space After Theorem/Proof Environments

I have defined my own theorem style to have 0pt above and 0pt below. For simplicity I have also set all other relevant spacings to 0pt. However, when I use a theorem or proof environment I get some ...
3
votes
1answer
150 views

Using \qedhere automatically in every proof

I'm currently using \qedhere at the end of my proof every time since I'm really satisfied with the positioning of the qed mark. The problem is, I use it so often that I want to make the qed mark ...
0
votes
0answers
33 views

How does \newtheorem work? [duplicate]

I have a large .cls file I'm working with, so I don't know that I can provide a MSE, but here's my question. In my code I have: \theoremstyle{plain} \newtheorem*{theorem}{Theorem} \newtheorem*{...