Tue, 20 Jun 2000 11:41:25 +0200 paulson now setsum f A = 0 unless A is finite
Tue, 20 Jun 2000 11:41:07 +0200 paulson now setsum f A = 0 unless A is finite; proved setsum_cong
Fri, 16 Jun 2000 14:02:41 +0200 paulson real simprocs
Fri, 16 Jun 2000 13:41:44 +0200 paulson fixed for removal of subset_empty
Fri, 16 Jun 2000 13:39:21 +0200 paulson this proof needs more detail
Fri, 16 Jun 2000 13:33:39 +0200 paulson uncommented the last 2 examples; tidied
Fri, 16 Jun 2000 13:32:59 +0200 paulson new lemma real_minus_diff_eq
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