\documentclass{llncs}+
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\usepackage{times}+
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\usepackage{isabelle}+
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\usepackage{isabellesym}+
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\usepackage{amsmath}+
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\usepackage{amssymb}+
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\usepackage{longtable}+
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\usepackage{pdfsetup}+
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\urlstyle{rm}+
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\isabellestyle{it}+
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\renewcommand{\isastyle}{\isastyleminor}+
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\renewcommand{\isacharunderscore}{\mbox{$\_\!\_$}}+
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\renewcommand{\isasymbullet}{{\raisebox{-0.4mm}{\Large$\boldsymbol{\cdot}$}}}+
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\def\dn{\,\stackrel{\mbox{\scriptsize def}}{=}\,}+
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\renewcommand{\isasymequiv}{$\dn$}+
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\renewcommand{\isasymiota}{}+
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\renewcommand{\isasymrightleftharpoons}{}+
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\renewcommand{\isasymemptyset}{$\varnothing$}+
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\newcommand{\numbered}[1]{\refstepcounter{equation}{\rm(\arabic{equation})}\label{#1}}+
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\begin{document}+
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\title{Implementing the Nominal Logic Work in Isabelle/HOL}+
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\author{Brian Huffman\inst{1} and Christian Urban\inst{2}}+
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\institute{Portland State University \and Technical University of Munich}+
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\maketitle+
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+
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\begin{abstract}+
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Pitts et al introduced a beautiful theory about names and binding based on the+
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notions of atoms, permutations and support. The engineering challenge is to+
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smoothly adapt this theory to a theorem prover environment, in our case+
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Isabelle/HOL.  We present a formalisation of this work that is based on a+
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unified atom type and that represents permutations by bijective functions from+
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atoms to atoms. Interestingly, we allow swappings, which are permutations+
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build from two atoms, to be ill-sorted.  Furthermore we extend the nominal+
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logic work with names that carry additional information.+
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\end{abstract}+
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+
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% generated text of all theories+
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\input{session}+
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+
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% optional bibliography+
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\bibliographystyle{abbrv}+
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\bibliography{root}+
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+
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\end{document}+
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+
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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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