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\usepackage{latexsym,graphicx}

\usepackage{listings}

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\usepackage{style}

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\hyphenation{Isabelle}

\hyphenation{Isar}

\isadroptag{theory}

\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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\bibliography{../../manual}

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\end{document}

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