Wed, 27 Aug 2008 01:27:33 +0200add lemmas about Rats similar to those about Reals
huffman [Wed, 27 Aug 2008 01:27:33 +0200] rev 28010
add lemmas about Rats similar to those about Reals

Tue, 26 Aug 2008 23:49:46 +0200move real_vector class proofs into vector_space and group_hom locales
huffman [Tue, 26 Aug 2008 23:49:46 +0200] rev 28009
move real_vector class proofs into vector_space and group_hom locales

Tue, 26 Aug 2008 18:59:52 +0200added distributivity of relation composition over union [simp]
krauss [Tue, 26 Aug 2008 18:59:52 +0200] rev 28008
added distributivity of relation composition over union [simp]

Tue, 26 Aug 2008 16:36:30 +0200tuned append;
wenzelm [Tue, 26 Aug 2008 16:36:30 +0200] rev 28007
tuned append;

Tue, 26 Aug 2008 16:36:11 +0200command: symbols.encode;
wenzelm [Tue, 26 Aug 2008 16:36:11 +0200] rev 28006
command: symbols.encode;

Tue, 26 Aug 2008 16:04:22 +0200Reorganisation of registration code.
ballarin [Tue, 26 Aug 2008 16:04:22 +0200] rev 28005
Reorganisation of registration code.

Tue, 26 Aug 2008 14:15:44 +0200function package: name primitive defs "f_sumC_def" instead of "f_sum_def" to avoid clashes
krauss [Tue, 26 Aug 2008 14:15:44 +0200] rev 28004
function package: name primitive defs "f_sumC_def" instead of "f_sum_def" to avoid clashes

Tue, 26 Aug 2008 12:20:52 +0200purge classes after compilation;
wenzelm [Tue, 26 Aug 2008 12:20:52 +0200] rev 28003
purge classes after compilation;

Tue, 26 Aug 2008 12:17:58 +0200renamed Isabelle-repository to isabelle;
wenzelm [Tue, 26 Aug 2008 12:17:58 +0200] rev 28002
renamed Isabelle-repository to isabelle;

Tue, 26 Aug 2008 12:07:06 +0200Defined rationals (Rats) globally in Rational.
nipkow [Tue, 26 Aug 2008 12:07:06 +0200] rev 28001
Defined rationals (Rats) globally in Rational.
Chractarized them with a few lemmas in RealDef, one of them from Sqrt.