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\usepackage{../iman,../extra,../isar,../proof}
\usepackage{../isabelle,../isabellesym}
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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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