Tue, 24 Mar 1998 15:46:08 +0100 oheimb added finite_acyclic_wf_converse
Mon, 23 Mar 1998 13:56:53 +0100 paulson more thms
Mon, 16 Mar 1998 16:54:07 +0100 paulson inverse -> converse
Mon, 16 Mar 1998 16:50:50 +0100 paulson inverse -> converse
Mon, 16 Mar 1998 16:47:57 +0100 paulson re-ordered proofs
Fri, 13 Mar 1998 18:15:14 +0100 wenzelm moved addsplits [expand_if] from HOL_basic_ss to HOL_ss;
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