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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>Nominal Methods Group</title>
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<link rel="stylesheet" href="nominal.css">
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</head>
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<body>
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<div align="center">
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<table width="95%">
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<tbody>
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<tr>
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<td align="left">
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<H1>Aim</H1>
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There is already quite good documentation available for users to learn
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how to interact with Isabelle and to use it for proving
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theorems (see <A HREF="http://www.cl.cam.ac.uk/research/hvg/Isabelle/documentation.html" target="_top">here</A>).
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However, the entry barrier for users to program on the ML-level of Isabelle
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is still unbearably high. In this project we want to change this state
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of affairs by providing a <i>tutorial</i> about ML-coding in Isabelle. The
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German Research Council has provided us with €26,000 to be spend
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over the next three years on this project. We invite the Isabelle community to
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participate in this project and benefit from the money (and of course
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also to reap the benefits from the better documentation).
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<p>
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The main aim is to generate a tutorial for people who want to have
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a look under the <i>hood</i> of Isabelle. At its centre it describes the
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implementation of a simple prototypical Isabelle package (we describe
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a simplified version of the inductive package). We hope by
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documenting every aspect of this package that in the future you will
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be able to modify, extend and adapt this package for your own purposes,
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see how developers code in Isabelle and understand better Isabelle's
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idiosyncrasies. As a result you will be able to quickly produce code
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for your own needs and will be able to participate in keeping Isabelle
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alive in the long run.
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<p>
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Specific topics of the tutorial we have not yet covered:
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<P>
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<ul>
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<li> First Steps
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<ul>
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<li>theories, contexts and local theories
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<li>morphisms
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<li>name spaces
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</ul>
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<li>Parsing
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<ul>
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<li>context-, argument- and attribute parsers
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<li>parsing and printing translations
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<li>methods
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</ul>
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<li>Tactical Reasoning
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<ul>
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<li>declarations
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<li>structured proofs
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</ul>
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<li>Advanced Stuff
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<ul>
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<li>user-space type-systems
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<li>typing algorithms
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<li>external applications
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</ul>
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</ul>
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<P>
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Please help us to expand on this list.
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<H3>We need You</H3>
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We need help for accomplishing this tutorial. If you are familiar with the ML-level of
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Isabelle, then we can offer money in order that you write small parts of
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this documentation. Please get in contact with us (see addresses below). If you
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are not familiar, but like to know more about the bits and pieces that make
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up the Isabelle code, then let us know what you are interested in or what
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project you like to implement. Above all we like to help future users and
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developers of Isabelle; we do not want to end up with some "artificial documentation"
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that is of nobody's help. Also proofreading and feedback would be most
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appreciated.
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<H3>People to contact</H3>
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The project is managed by
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<ul>
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<li> <A HREF="http://www4.in.tum.de/~urbanc/" target="_top">Christian Urban</A> (urbanc at in tum de)
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<li> <A HREF="http://www.cl.cam.ac.uk/~lp15/" target="_top">Larry Paulson</A> (lp15 at cam ac uk)
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<li> <A HREF="http://nicta.com.au/people/norrishm" target="_top">Michael Norrish</A>
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(Michael.Norrish at nicta com au)
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</ul>
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There is also the following mailing list that is subscribed by all developers
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and open for help, suggestions etc. about this project.
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<p>
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<A HREF="https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev">
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isabelle-dev@mailbroy.informatik.tu-muenchen.de</A>
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<BR>
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<p>
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<H3>Repository</H3>
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A preliminary
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<A HREF="http://www4.in.tum.de/~urbanc/cgi-bin/repos.cgi/isabelle-cookbook" target="_top">repository</A>
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is available and you are very welcome to contribute to it. The current draft of the tutorial is <A HREF="http://www4.in.tum.de/~urbanc/cgi-bin/repos.cgi/isabelle-cookbook/raw-file/tip/progtutorial.pdf" target="_top" onclick="pageTracker._trackPageview('tutorial');">here</A>.
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<H3>Stable Version</H3>
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There is no real stable version of the Programming Tutorial yet. If you need a version
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that is guaranteed to work with Isabelle 2009, then please get in touch with me
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(urbanc at in tum de).
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<H3><A NAME="readers"></A>What early readers said:</H3>
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<i>
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The tutorial really is quite nice. (Jeremy Avigad, CMU, 2011)
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</i>
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<p>
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<i>
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By the way, thanks for the Isabelle Cookbook, it's really helpful to
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start with Isabelle/ML. (Mathieu Giorgino, 2011)
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</i>
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<p>
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<i>
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Great! This seems to have a lot of the missing pieces I couldn't find
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in the tutorial and reference manual. (Kevin Van Horn, 2011)
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</i>
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<p>
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<i>
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I've been fighting for hours trying to derive some theorems automatically,
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until Florian told me I should try using conversions and then I read the Cookbook
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section and it solved my problem. The example with abs_conv in particular was
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particularly illuminating. Thanks! (Jasmin Blanchette, TU Munich, 2010)
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</i>
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<p>
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<i> The cook book seems really helpful, if not even exactly what I need.
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(Nils Jähnig, FU Berlin, 2010)</i>
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<p>
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<i>The Programming Tutorial has helped me tremendously to get familiar with
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Isabelle, which I used in my bachelor thesis about the type-inference algorithm
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in Isabelle. (Dmitriy Traytel, TU Munich, 2010)</i>
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<p>
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<i>I've already pointed a couple of PhD students at the programming tutorial, and
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they've already found it to be a great place to start with Isabelle
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programming. (Lucas Dixon, University of Edinburgh, 2009)</i>
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<p>
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<i>The Isabelle Programming Tutorial is great! I finally learned how to add
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new keywords and how to parse outer syntax! (Amine Chaieb, University of Cambridge)</i>
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<p>
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<i>I felt the programming tutorial was very clear and comprehensible. I'm
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toying with actually getting back to Isabelle again. Thanks to
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everyone involved in the documentation project. I really think it
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is worthwhile. (Tom Ridge, University of Cambridge, 2009)</i>
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<p>
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<i>I learned from the tutorial how to deal with fresh variables and also which function to use
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for applying substitutions that are generated by unification.
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(Lukas Bulwahn, TU Munich, 2009)</i>
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<p>
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<i> What a great resource! I wish I'd had this when I wrote my first
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parser in December 2008.
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(Timothy Bourke, UNSW Sydney, 2009)</i>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<HR>
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