Wed, 10 Jan 2001 11:08:29 +0100 *** empty log message ***
nipkow [Wed, 10 Jan 2001 11:08:29 +0100] rev 10845
*** empty log message ***
Wed, 10 Jan 2001 11:07:11 +0100 now using "by" for one-line proofs
paulson [Wed, 10 Jan 2001 11:07:11 +0100] rev 10844
now using "by" for one-line proofs
Wed, 10 Jan 2001 11:06:07 +0100 introduction of "by" and a few examples of SOME
paulson [Wed, 10 Jan 2001 11:06:07 +0100] rev 10843
introduction of "by" and a few examples of SOME
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