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+ <TITLE>HOL/Lambda</TITLE>
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+<BODY>
+
+<H1>Lambda Calculus in de Bruijn's Notation</H1>
+
+This theory defines lambda-calculus terms with de Bruijn indixes and proves
+confluence of beta, eta and beta+eta.
+<P>
+
+
+The paper
+<A HREF="http://www.in.tum.de/~nipkow/pubs/jar2001.html">
+More Church-Rosser Proofs (in Isabelle/HOL)</A>
+describes the whole theory.
+
+<HR>
+
+<P>Last modified 20.5.2000
+
+</BODY>
+</HTML>