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<H2>Hyperreal--Ultrafilter Construction of the Non-Standard Reals</H2>
<LI> See J. D. Fleuriot and L. C. Paulson. Mechanizing Nonstandard
Real Analysis. LMS J. Computation and Mathematics 3 (2000), 140-190.
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<UL>
<LI><A HREF="Zorn.html">Zorn</A>
Zorn's Lemma: proof based on the ZF version.
<LI><A HREF="Filter.html">Filter</A>
Theory of Filters and Ultrafilters.
Main result is a version of the Ultrafilter Theorem proved using
Zorn's Lemma.
<LI><A HREF="HyperDef.html">HyperDef</A>
Ultrapower construction of the hyperreals
<LI><A HREF="NSA.html">NSA</A>
Theory defining sets of infinite numbers, infinitesimals,
the infinitely close relation, and their various algebraic properties.
<LI><A HREF="HyperNat.html">HyperNat</A>
Ultrapower construction of the hypernaturals
<LI><A HREF="HyperPow.html">HyperPow</A>
Powers theory for the hyperreals
<LI><A HREF="Star.html">Star</A>
Nonstandard extensions of real sets and real functions
<LI><A HREF="NatStar.html">NatStar</A>
Nonstandard extensions of sets of naturals and functions on the natural
numbers
<LI><A HREF="SEQ.html">SEQ</A>
Theory of sequences developed using standard and nonstandard analysis
<LI><A HREF="Lim.html">Lim</A>
Theory of limits, continuous functions, and derivatives
<LI><A HREF="Series.html">Series</A>
Standard theory of finite summation and infinite series
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<A NAME="lcp@cl.cam.ac.uk" HREF="mailto:lcp@cl.cam.ac.uk">lcp@cl.cam.ac.uk</A>
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