Fri, 14 Feb 1997 10:41:02 +0100 paulson Added optimization: do nothing for empty list
Fri, 14 Feb 1997 10:40:23 +0100 paulson A bit more pattern-matching in eta_contract
Fri, 14 Feb 1997 10:38:48 +0100 paulson Tidying and a corrected comment
Fri, 14 Feb 1997 10:36:33 +0100 paulson Added a new challenge problem
Fri, 14 Feb 1997 10:35:42 +0100 paulson Updated documentation of IFOL_ss
Fri, 14 Feb 1997 10:35:23 +0100 paulson Documented thin_tac
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