Tue, 20 Apr 2010 17:25:31 +0200 Cezary Kaliszyk All lifted in Term4. Requires new isabelle.
Tue, 20 Apr 2010 15:59:57 +0200 Cezary Kaliszyk fsets are distributive lattices.
Tue, 20 Apr 2010 10:23:39 +0200 Cezary Kaliszyk Fix of comment
Tue, 20 Apr 2010 09:13:52 +0200 Christian Urban reordered code
Tue, 20 Apr 2010 09:02:22 +0200 Christian Urban renamed "_empty" and "_append" to "_zero" and "_plus"
Tue, 20 Apr 2010 08:57:13 +0200 Christian Urban removed dead code (nominal cannot deal with argument types of constructors that are functions)
Tue, 20 Apr 2010 08:45:53 +0200 Christian Urban added comment about abstraction in raw permuations
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