Synopsis:
\begin{theorem} theorem body \end{theorem}
Produces ‘Theorem n’ in boldface followed by theorem body in italics. The numbering possibilities for n are described under \newtheorem
(see \newtheorem).
\newtheorem{lem}{Lemma} % in preamble \newtheorem{thm}{Theorem} ... \begin{lem} % in document body text of lemma \end{lem} The next result follows immediately. \begin{thm}[Gauss] % put `Gauss' in parens after theorem head text of theorem \end{thm}
Most new documents use the packages amsthm
and amsmath
from the American Mathematical Society. Among other things these packages include a large number of options for theorem environments, such as styling options.
© 2007–2018 Karl Berry
Public Domain Software
http://latexref.xyz/theorem.html