ntheorem.pdf. - Mirrors.med.harvard.edu

\usepackage[ntheorem]{empheq} % this loads amsmath as well
\usepackage[thmmarks,amsmath]{ntheorem}
Note that empheq provides an enhanced vertical placement of the endmarks
(see the paragraph on ntheorem in the documentation of the empheq package)
in math environments.
4 Examples
The setting is as follows.
• For Theorems:
\theoremstyle{marginbreak}
\theoremheaderfont{\normalfont\bfseries}\theorembodyfont{\slshape}
\theoremsymbol{\ensuremath{\diamondsuit}}
\theoremseparator{:}
\newtheorem{Theorem}{Theorem}
• For Lemmas:
\theoremstyle{changebreak}
\theoremsymbol{\ensuremath{\heartsuit}}
\theoremindent0.5cm
\theoremnumbering{greek}
\newtheorem{Lemma}{Lemma}
• For Corollaries:
\theoremindent0cm
\theoremsymbol{\ensuremath{\spadesuit}}
\theoremnumbering{arabic}
\newtheorem{Corollary}[Theorem]{Corollary}
• For Examples:
\theoremstyle{change}
\theorembodyfont{\upshape}
\theoremsymbol{\ensuremath{\ast}}
\theoremseparator{}
\newtheorem{Example}{Example}
• For Definitions:
\theoremstyle{plain}
\theoremsymbol{\ensuremath{\clubsuit}}
\theoremseparator{.}
\theoremprework{\bigskip\hrule}
\theorempostwork{\hrule\bigskip}
\newtheorem{Definition}{Definition}
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