| 3279 |      1 | <HTML><HEAD><TITLE>FOL/README</TITLE></HEAD><BODY>
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| 1331 |      2 | 
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|  |      3 | <H2>FOL: First-Order Logic with Natural Deduction</H2>
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|  |      4 | 
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| 3279 |      5 | This directory contains the ML sources of the Isabelle system for
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|  |      6 | First-Order Logic (constructive and classical versions).  For a
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|  |      7 | classical sequent calculus, see LK.<p>
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| 1331 |      8 | 
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| 3279 |      9 | The <tt>ex</tt> subdirectory contains some examples.<p>
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| 1331 |     10 | 
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|  |     11 | Useful references on First-Order Logic:
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|  |     12 | 
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|  |     13 | <UL>
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| 3279 |     14 | <LI> Simon Thompson, Type Theory and Functional Programming (Addison-Wesley, 1991)<br>
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|  |     15 |  (The first chapter is an excellent introduction to natural
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|  |     16 | deduction in general.)
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| 1331 |     17 | <LI>Antony Galton, Logic for Information Technology (Wiley, 1990)
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|  |     18 | <LI>Michael Dummett, Elements of Intuitionism (Oxford, 1977)
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|  |     19 | </UL>
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|  |     20 | </BODY></HTML>
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