author | nipkow |
Thu, 30 May 2002 10:21:28 +0200 | |
changeset 13188 | 596776f878f8 |
parent 13187 | e5434b822a96 |
child 13189 | 81ed5c6de890 |
--- a/NEWS Thu May 30 10:12:52 2002 +0200 +++ b/NEWS Thu May 30 10:21:28 2002 +0200 @@ -7,6 +7,8 @@ It can solve simple goals like "0 < n ==> n div 2 < (n::nat)" but fails if divisibility plays a role like in "n div 2 + (n+1) div 2 = (n::nat)". +* simp's arithmetic capabilities have been enhanced a bit: + it now takes ~= in premises into account (by performing a case split). New in Isabelle2002 (March 2002) --------------------------------