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Isabelle
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<p>
<h2>Isabelle</h2>
is a popular generic theorem proving
environment developed at Cambridge University (<a
href="http://www.cl.cam.ac.uk/users/lcp/">Larry Paulson</a>) and TU
Munich (<a href="http://www.in.tum.de/~nipkow/">Tobias Nipkow</a>).
<p>
This page provides general information on Isabelle, more specific
information is available from the local pages
<ul>
<li> <a
href="http://www.cl.cam.ac.uk/Research/HVG/Isabelle/cambridge.html"><strong>Isabelle
at Cambridge</strong></a>
<li> <a href="http://isabelle.in.tum.de/munich.html"><strong>Isabelle
at Munich</strong></a>
</ul>
See there for information on projects done with Isabelle, mailing list
archives, research papers, the Isabelle bibliography, and Isabelle
workshops and courses.
<p>
<h2>Obtaining Isabelle</h2>
The current version is <strong>{ISABELLE}</strong>. Several mirror
sites provide the Isabelle <a href="dist/">distribution</a>, which
includes sources, documentation, and binary packages.
<p>
<h2>Mailing list</h2>
Use the mailing list <a href="mailto:
isabelle-users@cl.cam.ac.uk">isabelle-users@cl.cam.ac.uk</a> to
discuss problems and results.
(Why not <A HREF="mailto:lcp@cl.cam.ac.uk">subscribe</A>?)