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\usepackage{../../iman,../../extra,../../isar,../../proof}
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\title{\includegraphics[scale=0.5]{isabelle_isar}
\\[4ex] Haskell-style type classes with Isabelle/Isar}
\author{\emph{Florian Haftmann}}
\begin{document}
\maketitle
\begin{abstract}
This tutorial introduces the look-and-feel of Isar type classes
to the end-user; Isar type classes are a convenient mechanism
for organizing specifications, overcoming some drawbacks
of raw axiomatic type classes. Essentially, they combine
an operational aspect (in the manner of Haskell) with
a logical aspect, both managed uniformly.
\end{abstract}
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\input{Thy/document/Classes.tex}
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\end{document}
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