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<H2>CTT: Constructive Type Theory</H2>

This directory contains the ML sources of the Isabelle system for
Constructive Type Theory (extensional equality, no universes).<p>

The <tt>ex</tt> subdirectory contains some examples.<p>

Useful references on Constructive Type Theory:

<LI>	B. Nordstrm, K. Petersson and J. M. Smith,<BR>
	Programming in Martin-Lf's Type Theory<BR>
	(Oxford University Press, 1990)

<LI>	Simon Thompson,<BR>
	Type Theory and Functional Programming (Addison-Wesley, 1991)