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\documentclass[11pt,a4paper]{article}
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\usepackage{isabelle,isabellesym}
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% this should be the last package used
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\usepackage{pdfsetup}
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% urls in roman style, theory text in math-similar italics
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\urlstyle{rm}
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\isabellestyle{it}
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\begin{document}
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\title{State Spaces: The Locale Way}
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\author{Norbert Schirmer}
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\maketitle
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\tableofcontents
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\parindent 0pt\parskip 0.5ex
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\section{Introduction}
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These theories introduce a new command called \isacommand{statespace}.
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It's usage is similar to \isacommand{record}s. However, the command
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does not introduce a new type but an abstract specification based on
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the locale infrastructure. This leads to extra flexibility in
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composing state space components, in particular multiple inheritance
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and renaming of components.
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The state space infrastructure basically manages the following things:
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\begin{itemize}
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\item distinctness of field names
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\item projections~/ injections from~/ to an abstract \emph{value} type
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\item syntax translations for lookup and update, hiding the
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projections and injections
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\item simplification procedure for lookups~/ updates, similar to
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records
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\end{itemize}
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\paragraph{Overview}
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In Section \ref{sec:DistinctTreeProver} we define distinctness of the
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nodes in a binary tree and provide the basic prover tools to support
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efficient distinctness reasoning for field names managed by state
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spaces. The state is represented as a function from (abstract) names
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to (abstract) values as introduced in Section \ref{sec:StateFun}. The
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basic setup for state spaces is in Section
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\ref{sec:StateSpaceLocale}. Some syntax for lookup and updates is
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added in Section \ref{sec:StateSpaceSyntax}. Finally Section
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\ref{sec:Examples} explains the usage of state spaces by examples.
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% generated text of all theories
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\input{session}
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% optional bibliography
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%\bibliographystyle{abbrv}
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%\bibliography{root}
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\end{document}
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%%% Local Variables:
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%%% mode: latex
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%%% TeX-master: t
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%%% End:
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