Wed, 05 Mar 1997 10:08:32 +0100 paulson Now uses eta_contract_atom for greater speed
Wed, 05 Mar 1997 10:07:04 +0100 paulson Eta-expanded declarations of addSIs2, etc., to avoid polymorphism errors
Wed, 05 Mar 1997 10:05:32 +0100 paulson HOL: renaming of "not"
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