Questions tagged [theorems]
{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.
1,767 questions
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How to remove automatic theorem counter from tcolorbox title while keeping manual counter in theorem body?
I'm using tcolorbox with \tcolorboxenvironment to style my theorem-like environments. However, I'm getting duplicate numbering: the box title shows one number (e.g., "Definition 1.0") and ...
- 1,508
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votes
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answer
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\ref theorem hyperlink jumps to the wrong theorem
Hyperlinks created by \ref referencing thmtools theorems will print out correctly, but will jump to the first reference with the correct sub-number, without taking account the section number.
Here's a ...
- 505
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Numbering tcbtheorem's and normal theorems continuously [duplicate]
I have a fairly big document with a mix of tcbtheorems and normal theorems. So far, the tcbtheorems are numbered separately (within chapter). How can I number all of them continuously? Also, \...
- 53
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vote
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answer
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cite[][]{} on first line of lemma and français natbib style
I am using a theorem/lemma style with a line break on first line.
I would like to use \begin{lemma}\cite[][]{Aitchison75} lemma statement \end{lemma} with the Bibliographystyle francais and have the ...
- 47
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Tcolorbox - How to label theorems correctly using the tcolorbox and hyperref packages?
This is my code:
\documentclass{standalone}
\usepackage[most]{tcolorbox}
\usepackage{hyperref}
\tcbuselibrary{theorems}
\NewTcbTheorem[number within=section]{Definition}{Definition}%
{label type=...
- 667
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votes
2
answers
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Fix cleveref in TeXLive 2025
Like others I have run into cleveref problems and found only this solution by Ulrike Fischer to be helpful. Consulting the cleveref documentation I found that I need to do something like the following:...
- 1,251
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votes
2
answers
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marginalia causes a blank line before theorem
The following code:
\documentclass{article}
\usepackage{marginalia,showframe}
\newtheorem{theorem}{Theorem}
\begin{document}
\marginalia{margin}
\begin{theorem}
content
\end{theorem}
\end{document}
...
- 9,771
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2
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Turn off numbering in ConTeXt theorem environment, or force it to stay the same number, or alternatively use a title
Chapter 19 of the ConTeXt MkIV Excursion describes how to create numbered definitions in ConTeXt, as does Chapter 7.3 of https://www.pragma-ade.nl/general/manuals/mathincontext-screen.pdf.
I am making ...
- 10.6k
3
votes
1
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What would be the way to produce a clean theorem and proof setup in ConTeXt?
I want to know if it is a good idea to make a custom theorem environment in ConTeXT, and if it is a good idea, how it is accomplished?
For instance, a theorem in amsthm:
\documentclass{article}
\...
- 10.6k
2
votes
2
answers
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How to use numbering for second occurrence of a restated theorem?
Consider the following:
\documentclass{article}
\usepackage{amsthm}
\newtheorem{theorem}{Theorem}[section]
\usepackage{thmtools}
\begin{document}
\section{Introduction}
\begin{restatable}{theorem}{...
- 5,901
1
vote
1
answer
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Strange behavior of internal references
In a long document (memoir format) I am writting I have some trouble with some internal hyperref references (e.g. Theorem 1.4 etc). When trying to extract from my .tex file a minimal (not) working ...
- 285
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votes
0
answers
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How can I get the Definition and Theorem environment like these in LaTeX [duplicate]
How can I get the Definition and Theorem environment like these in LaTeX?
My original setting in the preamble is
\documentclass[binding=0.6cm,twoside]{sapthesis}
\usepackage{microtype}
\usepackage[...
0
votes
1
answer
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Theorems causing same identifier warnings [duplicate]
I wanted to edit a text I last updated about one or two years ago - back then everything was working just fine. Now I get weird "same identifier" messages, references to the wrong pages and ...
- 103
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votes
0
answers
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Repeat a theorem throught the text, with the same number [duplicate]
Suppose you have a statement; for instance, Theorem 1, on page 1 of your article. Is it possible to repeat the Theorem elsewhere in the paper with the same Theorem number? I mean to have the whole ...
- 135
0
votes
1
answer
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amsthm: modify indentation of theorem head
I have a tex file
\documentclass{article}
\usepackage{amsthm,mathtools,amssymb,enumitem}
\usepackage{zref-clever}
\zcsetup{cap=true,comp=false,sort=false}
\newcommand{\addtheorem}[2]{%
\AddToHook{...
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