# HG changeset patch # User wenzelm # Date 995659365 -7200 # Node ID 2338bce575ae121c3fef491237f6543d456037bf # Parent 3f74b80d979f7d3ffe2d7bc3c4029ea862ce3591 HOL: added "The"; diff -r 3f74b80d979f -r 2338bce575ae NEWS --- a/NEWS Fri Jul 20 22:00:06 2001 +0200 +++ b/NEWS Fri Jul 20 22:02:45 2001 +0200 @@ -1,17 +1,22 @@ + Isabelle NEWS -- history user-relevant changes ============================================== -* print modes "type_brackets" and "no_type_brackets" control output of nested -=> (types); the default behaviour is "brackets"; - -* Classical reasoner: renamed addaltern to addafter, addSaltern to addSafter +* HOL: added "The" definite description operator; + +* print modes "type_brackets" and "no_type_brackets" control output of +nested => (types); the default behaviour is "brackets"; + +* Classical reasoner: renamed addaltern to addafter, addSaltern to +addSafter; * HOL: introduced f^n = f o ... o f WARNING: due to the limits of Isabelle's type classes, ^ on functions and relations has too general a domain, namely ('a * 'b)set and 'a => 'b. This means that it may be necessary to attach explicit type constraints. -* HOL: added safe wrapper "split_conv_tac" to claset. EXISTING PROOFS MAY FAIL +* HOL: added safe wrapper "split_conv_tac" to claset. EXISTING PROOFS +MAY FAIL; * HOL: made split_all_tac safe. EXISTING PROOFS MAY FAIL OR LOOP, so in this (rare) case use delSWrapper "split_all_tac" addSbefore