%\pagestyle{myheadings}
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\newtheorem{theo}{Theorem\ }[section]
\newtheorem{prop}[theo]{Proposition\ }
\newtheorem{lemm}[theo]{Lemma\ }
\newtheorem{hypo}[theo]{Hypothesis\ }
\newtheorem{coro}[theo]{Corollary\ }
\newtheorem{conj}[theo]{Conjecture\ }
%
\newtheorem{definitio}[theo]{Definition\ }
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\newtheorem{exemple}[theo]{Example\ }
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\newtheorem{exercice}[theo]{Exercise\ }
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\newtheorem{notations}[theo]{Notations\ }
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\newcommand{\Proof}{{\par\noindent{\em Proof:~}}}
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