* HOL: removed obsolete expand_if = split_if; theorems if_splits =
split_if split_if_asm; datatype package provides theorems foo.splits =
foo.split foo.split_asm for each datatype;
--- a/NEWS Tue Jul 18 14:52:30 2000 +0200
+++ b/NEWS Tue Jul 18 21:08:20 2000 +0200
@@ -33,6 +33,8 @@
* HOL: theory Sexp now in HOL/Induct examples (used to be part of main
HOL, but was unused); should better use HOL's datatype package anyway;
+* HOL: removed obsolete theorem binding expand_if, use split_if instead;
+
* HOL/Real: "rabs" replaced by overloaded "abs" function;
* HOL/ML: even fewer consts are declared as global (see theories Ord,
@@ -140,6 +142,10 @@
* HOL/Calculation: new rules for substitution in inequalities
(monotonicity conditions are extracted to be proven terminally);
+* HOL: removed obsolete expand_if = split_if; theorems if_splits =
+split_if split_if_asm; datatype package provides theorems foo.splits =
+foo.split foo.split_asm for each datatype;
+
* names of theorems etc. may be natural numbers as well;
* Provers: intro/elim/dest attributes: changed ! / !! flags to ? / ??;