Thu, 26 Oct 2000 11:27:48 +0200 | paulson | added the $Id:$ line | file | diff | annotate |
Mon, 23 Oct 2000 17:37:20 +0200 | paulson | X-symbol | file | diff | annotate |
Mon, 23 Oct 2000 16:25:04 +0200 | paulson | the Rules chapter and theories | file | diff | annotate |