Fri, 30 Apr 2010 15:36:02 +0100 Christian Urban generalised the fs-instance lemma (not just fsets of atoms are finitely supported, but also fsets of finitely supported elements)
Fri, 30 Apr 2010 15:34:26 +0100 Christian Urban added lemmas establishing the support of finite sets of finitely supported elements
Fri, 30 Apr 2010 14:21:18 +0100 Christian Urban added eqvt-lemmas for Bex, Ball and Union
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