\documentclass{acmconf}
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\begin{document}

\title{\LARGE\bf General Bindings in Nominal Isabelle,\\ or How to
  Formalise Core-Haskell}
\maketitle

\maketitle
\begin{abstract} 
Nominal Isabelle is a definitional extension of the Isabelle/HOL theorem
prover. It provides a proving infrastructure for convenient reasoning about
programming language calculi involving bound variables that have names (as
opposed to de-Bruijn indices). In this paper we present an extension of
Nominal Isabelle for dealing with general bindings, that means
term-constructors where multiple variables are bound at once. Such
binding structures are ubiquitous in programming language research and only
very poorly supported with single binders, such as the lambdas in the
lambda-calculus. Our extension includes novel definitions of
alpha-equivalence and establishes automatically the reasoning infrastructure for
alpha-equated terms. We can also provide strong induction principles that have 
the usual variable convention already built in.
\end{abstract}


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