Sat, 25 Oct 1997 14:43:55 +0200 internalized some names
oheimb [Sat, 25 Oct 1997 14:43:55 +0200] rev 4005
internalized some names
Sat, 25 Oct 1997 14:39:25 +0200 corrected two comments
oheimb [Sat, 25 Oct 1997 14:39:25 +0200] rev 4004
corrected two comments
Fri, 24 Oct 1997 18:10:51 +0200 Added
nipkow [Fri, 24 Oct 1997 18:10:51 +0200] rev 4003
Added goal Set.thy "(Union M = {}) = (! A : M. A = {})"; AddIffs [Union_empty_conv]; Good idea??
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