Changed order of prems in finprod_cong. Slight speedup.
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Isabelle Documentation
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<!-- _GP_ distname --> documentation is included here as browsable PDF
for convenience. These documents are also part of the standard
Isabelle <a href="dist/index.html">distribution</a>. For getting
started with Isabelle quickly, we recommend the
<a href="dist/<!-- _GP_ distname -->/doc/tutorial.pdf">Tutorial on Isabelle/HOL</a> --
published by Springer Verlag as <a
href="http://www4.in.tum.de/~nipkow/LNCS2283/">LNCS 2283</a>.
<!-- _GP_ include("$pwd/docu-contents.main") -->