+%
+% The standard corollary, definition, theorem, etc. that we all define
+% in every single paper.
+%
+
+\usepackage{amsthm}
+
+\newtheorem{corollary}{Corollary}
+\newtheorem{lemma}{Lemma}
+\newtheorem{proposition}{Proposition}
+\newtheorem{theorem}{Theorem}
+\newtheorem*{theorem*}{Theorem}
+
+\theoremstyle{definition}
+\newtheorem{definition}{Definition}
+\newtheorem{example}{Example}
+
+\theoremstyle{remark}
+\newtheorem{remark}{Remark}