{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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Mark end of Theorem

In this answer Palatino text font is used together with the AMS Euler (eulervm) math font. The following statement is reasonable: Note also that because the "Euler" fonts have an upright rather ...
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Faint text after new theorem

This code using \newtheorem produces faint text afterwards. What's the remedy? \documentclass[xcolor=dvipsnames]{beamer} \usetheme[height=9mm]{Rochester} \setbeamertemplate{items}[ball] ...
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How to start new numeration of theorems with every chapter?

What I want? [that way of numbering] 1 How to do squats Theorem 1. Put your barbell on your shoulders. Theorem 2. Squat. 2 How to do bench press Theorem 1. Lean on a bench. Theorem 2. Push. ...
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Hyperlinking theorems in smfart

Edit: The class smfart is one of several classes created by the Société Mathématique de France for typesetting mathematics. Here is its CTAN page, where it lies under smflatex, and here is the ...
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Corollary counter in SVmono

When using the predefined Theorem and Corollary commands using the Springer template svmono, the theorem and corollary counters are different. How can I make the counters match? The desired effect ...
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Proclaim command with multiple paragraphs

In page 131 of "TeX for the Impatient", it says the followings for proclaim command: \proclaim ⟨argument⟩.␣⟨general text⟩\par This command ``proclaims'' a theorem, lemma, hypothesis, etc. It sets ...
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LaTeX is truncating my theorem reference numbers. How do I correct this?

I will have a Theorem, Lemma or Corollary and it will be numbered, say for example, 2.2.3 ... Unfortunately, every reference back to ANY Theorem, Lemma or Corollary simply state 2.2 ... It seems to be ...
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73 views

Theorem style - define indentation

I have a real issue with defining my theorem style. I need indentation after the theorem, but cannot achive it. I google for hours and didn't find a solution. Hope you can help me. By the way, I'm ...
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55 views

Subtheorems with alphabetic number

I would like to create a list of tasks using LaTeX. Therefore I created a theorem called task. For some tasks I would like to create additional subtheorems using alphabetic numbering. Currently my ...
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181 views

How to remove the word “Proof:” from the environment proof?

I am writing a paper and I will prove a theorem in an appendix because the proof is lengthy. When I use the following code, \documentclass[journal]{IEEEtran} \usepackage{amssymb, amsmath, amsthm, ...
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Equation incl. number on the same line as theorem environment

I have this: \begin{lemma} \begin{equation} L_b \circ L_a = L_{L_b(a)} \circ L_b. \end{equation} \end{lemma} and I would like the equation to be on the same line as the lemma, with a number ...
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Why is thmtools and mdframed not working with parskip

I have the following MWE: %!TEX TS-program = XeLaTeX %!TEX encoding = UTF-8 Unicode % DEFINITIONS =================================================== \documentclass[ 12pt, a4paper, ...
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Editing Format of List of Theorems in thmtools

I'm trying to change the formatting of the \listoftheorems command from the thmtools package. It currently prints "Theorem (Name of Theorem).... Page Number", and I would like it to print "Name of ...
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Multiple tikz path fading in multiple directions

I'd like to create a theorem decoration. Here's a quick take on one: \documentclass{article} \usepackage{tikz} \newcommand{\theoremname}{Theorem} \newcounter{theorem} ...
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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 ...
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90 views

Rewriting a template from amsthm to thmtools

I've been using the Legrand Orange Book template on a project of mine with a friend and coworker. This template uses amsthm and mdframed to format a bunch of environments and I'm rewriting them to use ...
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63 views

How to change the theorem counter, theorem name in a specific case

I have used GMS class to write design a math book. In that book, the author has a special theorem, as following: \documentclass{gsm-l} \newtheorem{theorem}{Theorem} \newtheorem{lemma}[theorem]{Lemma} ...
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68 views

Name of the proof instead of just proof

Packages I'm using: \usepackage{amsmath} \usepackage{graphicx} \usepackage[colorinlistoftodos]{todonotes} \usepackage{amsthm} \usepackage{amssymb} \newtheorem{thm}{Theorem} ...
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mdframed: how to change the separator between the label and the title of a non-numbered thereom?

The problem There seems to be a bug in mdframed package. With the theoremseparator key, one should be able to change the text between the "label" and the title of a theorem ("Theorem" being the label ...
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106 views

Label in a ntheorem environment witout additional caption

I defined a new theorem with the ntheorem package. If i want to add a label to a certain theorem i get an error from the caption package. And referencing doesn't work. Package caption Warning: ...
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Spacing issue in new environment from a theorem

I'm trying to create a theorem environment that I can use to repeat a theorem that has been previously stated in a book but number it the same as the 1st instance. I found some sort of solution: ...
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65 views

How to insert the name of the Axiom next to Axiom

\begin{axiom} (blah) \end{axiom} gives "Axiom 1". How can I make this so that I have "Axiom 1 (blah)." instead? Tags are probably not correct. I just got started with Latex today.
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Extra space below customized theorems in beamer

I'm trying to customize beamer theorems, putting theorem name and theorem body in the same box. But my customization causes extra space below theorems. A MWE is as follows: \documentclass{beamer} ...
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64 views

citation square brakets upright in theorems

How to set up the citation square brakets and numbers in upright in theorems while keeping other stuffs slanted? (This style is suggest by my professor.) The usual appearance is the following ...
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How can I number theorems in introduction without section counter and later with it?

I would like to have my theorems numbered in the following way. Theorem 1. Blah-blah Theorem 2. More blah-blah Section 1. Theorem 1.1. Special blah Theorem 1.2. More special ...
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70 views

Reference to assumptions

Assumption 1. (i) something1, (ii) something2. I would like to refer to separate parts as 1(i) and 1(ii). Is there any way of doing it? I guess that I can use enumerate and three labels, namely, ...
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Theorem environment with empty label and also no space and no dot.

I want to have a theorem-like environment, without the usual "Theorem x." labeling. I tried to define an empty label text, which results in a dot and space being used as the label text - there has ...
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mdframed: how to put the optional argument of a theorem-like environment between brackets?

The classical case With the classical \newtheorem command of amsthm, one gets the following result for optional arguments: from this code \documentclass{article} \usepackage{amsthm} ...
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A framed theorem without numbering?

Is it possible to draw a frame around a theorem-like environment ? If possible, I would like to use mdframed. In the documentation, the general form of the command is given by ...
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64 views

Failure of \text within theorem environment

I have an equation within the statement of one of my theorems. Within this equation, I have some text to name a function. However, when this equation appears within the theorem environment, the ...
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How to inspect current values of parameters of theorem style?

I'd like to alter the plain theorem style so it uses \slshape instead of \itshape. I know I can define my own style via \newtheoremstyle but I don't know how to inspect (possibly in runtime) the ...
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55 views

Is there a way to know what is the vertical space that LaTeX is leaving before and after a theorem?

I would like to know if there's some code I can enter in order to find what is the vertical space (in cm or pt) that LaTeX is leaving before and after a theorem. I'm using ...
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119 views

No indentation after theorem environment with amsthm

I use the amsthm package and dont want lines which start right after the theorem environment to be indented. I consulted the manual of the package and it said to define a new theorem style. I expected ...
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106 views

Theorem and lemma sharing counter with mdframed and cleveref

Problem Essentially I've got the same problem described in Cleveref with counters with same name: I've got theorems, lemmata and corollaries all sharing the same counter, and when referencing them ...
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71 views

Want theorem and equation numbering linked under section

Similar questions have been answered but the solutions didn't seem to give what I need. I would like theorems and equations both to proceed as follows within each section. Say we've begun Section ...
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47 views

Using enumerate environment within a theorem environment [duplicate]

I am writing a math article, and when I am in a theorem environment and I try to use the enumerate environment, everything is italicized where, out of the theorem environment, it wouldn't be. Is ...
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300 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} ...
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153 views

How do I remove parentheses from theorem optional argument?

This is a MWE: \documentclass[12pt]{article} \usepackage{amsfonts, amsthm, amsmath, amssymb} \theoremstyle{definition} \newtheorem{Theorem}{Theorem}[section] \newtheorem*{Pythagorean ...
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96 views

Increasing depth of document

I am trying to type by using amsart. I want numbering of the definitions, lemma theorem etc should be of the form x.y.z, where x is section, y subsection and z the actual number of the theorem. I ave ...
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49 views

Setting Counters for Theorems

I'm using the following code to generate the "lemma" functionality in my document: \newtheorem{lemma}[theorem]{Lemma} However, the first lemma I define appears as Lemma 0.1. I tried using the ...
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109 views

Paragraph space

I'm currently writing a math document containing equations, theorems, remarks, etc. I find it difficult to understand how LaTeX manages the vertical space between two paragraphs. E.g. when you don't ...
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1answer
55 views

qed symbol not correctly aligned when ending a proof with a diagram

I know there is a myriad of questions about the alignment of the tombstone symbol, but I couldn't see any one that addresses this little issue. Say you end your proof with a diagram such as the ...
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64 views

Bracket problem with \newtheorem

\documentclass[a4paper, 11pt, notitlepage]{report} \usepackage{amsthm} \theoremstyle{plain} \newtheorem{thm}{Theorem}[section] % reset theorem numbering for each chapter \theoremstyle{definition} ...
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Intelligently Numbering “remarks” only when multiple are made

Problem. I am using the amsthm package, and have remarks after theorems. If there is only one remark between two theorems, the remark should not be numbered. If there are multiple remarks between ...
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122 views

Custom theorem-style environment

I use LaTeX to typeset notes and case briefs for law school. So far I have settled for a theorem-style layout for each case using thmtools. Here is a minimal working example: ...
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Numbering theorems in a chapter with no sections

Say I have an index such as: 1. Chapter 1.1 Section 1.2 Section 2. Chapter 3. Chapter and I number my theorems as \newtheorem{theorem}{Theorem}[section] with the last theorem in 1.2 being ...
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How to make an environment such as “theorem” not have italics [duplicate]

I found this: How to change the font style in theorem environment? as well as this: Italic in theorem environment Neither however seem to make sense to me as I have been using the following: ...
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Theorem style similar to equation

I was trying to treat theorems and lemmas as in the book Visual complex analysis which in my opinion has a very nice format for informal reading. I would like to have equations and propositions ...
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Figure number adjusted with theorems

I am trying to adjust the figure numbers linked to the theorem it is displayed in. In case of a theorem contains exactly one figure, the figure number will be theorem number; for multiple figures, the ...
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Wrong numeration using \newtheorem

by using the \newtheorem, the latex does not number the theorems in the right order. used code is \newtheorem{theo.a}{Proposition} \begin{theo.a} this is the proposition. \end{theo.a} changing ...