Fri, 06 Jun 1997 10:18:46 +0200 paulson New example theory: Recdef
Thu, 05 Jun 1997 19:44:13 +0200 nipkow added finite_converse
Thu, 05 Jun 1997 17:19:05 +0200 nipkow Moved image_is_empty from Finite.ML to equalities.ML
Thu, 05 Jun 1997 14:40:35 +0200 nipkow Modified a few defs and proofs because of the changes to theory Finite.thy.
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