Wed, 03 Apr 1996 20:08:27 +0200 oheimb *** empty log message ***
Wed, 03 Apr 1996 19:27:14 +0200 oheimb Updated: 01-Mar-96 when functional strictified, copy_def based on when_def
Wed, 03 Apr 1996 19:02:04 +0200 nipkow Introduced Times and SIGMA.
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