src/HOL/Hyperreal/NSA.thy
Fri, 09 Nov 2001 00:09:47 +0100 wenzelm eliminated old "symbols" syntax, use "xsymbols" instead;
Tue, 16 Jan 2001 12:20:52 +0100 paulson renamings: real_of_nat, real_of_int -> (overloaded) real
Sat, 30 Dec 2000 22:03:47 +0100 paulson separation of HOL-Hyperreal from HOL-Real
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