huffman [Wed, 25 Feb 2009 11:26:01 -0800] rev 30096
new theory of Archimedean fields
huffman [Wed, 25 Feb 2009 09:09:50 -0800] rev 30095
add lemmas about comparisons of Fract a b with 0 and 1
huffman [Wed, 25 Feb 2009 07:14:33 -0800] rev 30094
merged
huffman [Wed, 25 Feb 2009 06:53:15 -0800] rev 30093
add lemma diff_Suc_1
berghofe [Wed, 25 Feb 2009 19:34:00 +0100] rev 30092
Added lemmas for normalizing freshness results involving fresh_star.
berghofe [Wed, 25 Feb 2009 18:53:34 +0100] rev 30091
Added typing and evaluation relations, together with proofs of preservation
and progress (i.e. part 2A of the POPLmark challenge).
berghofe [Wed, 25 Feb 2009 11:49:05 +0100] rev 30090
merged
berghofe [Wed, 25 Feb 2009 11:20:34 +0100] rev 30089
Use LocalTheory.full_name instead of Sign.full_name, because the latter does
not work properly for locales.
berghofe [Wed, 25 Feb 2009 11:07:10 +0100] rev 30088
Replaced Logic.unvarify by Variable.import_terms to make declaration of
equivariance lemmas work in locales.
berghofe [Wed, 25 Feb 2009 11:05:06 +0100] rev 30087
nominal_inductive and equivariance now work on local_theory.