# HG changeset patch # User oheimb # Date 891513572 -7200 # Node ID 9658aab68363e5ed2e11453687298df11a576de9 # Parent d2c41c8b545f356a974365baf4683315ac0a6671 *** empty log message *** diff -r d2c41c8b545f -r 9658aab68363 NEWS --- a/NEWS Mon Mar 30 21:15:18 1998 +0200 +++ b/NEWS Thu Apr 02 12:39:32 1998 +0200 @@ -23,6 +23,9 @@ *** HOL *** +* split_all_tac now fails if there is nothing to split + split_all_tac has moved within claset() from usafe wrappers to safe wrappers + * added disj_not1 = "(~P | Q) = (P --> Q)" to the default simpset * HOL/Arithmetic: removed 'pred' (predecessor) function; and generalized