Thu, 10 Oct 1996 10:57:33 +0200 paulson New root file with more description, and merging LK and Modal to Sequents
Thu, 10 Oct 1996 10:47:26 +0200 paulson Tidied some proofs: changed needed for de Morgan laws
Thu, 10 Oct 1996 10:46:14 +0200 paulson Addition of de Morgan laws
Thu, 10 Oct 1996 10:45:20 +0200 paulson Removed Fast_tac made redundant by addition of de Morgan laws
Wed, 09 Oct 1996 13:50:28 +0200 paulson Fuller description of examples
Wed, 09 Oct 1996 13:47:38 +0200 paulson Plain text README files now redundant due to HTML versions
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