updated method "ferrack";
authorwenzelm
Mon, 15 Oct 2007 11:59:19 +0200
changeset 25033 2ef38332cc7e
parent 25032 f7095d7cb9a3
child 25034 7f2e1a8e181b
updated method "ferrack";
NEWS
--- a/NEWS	Mon Oct 15 01:57:50 2007 +0200
+++ b/NEWS	Mon Oct 15 11:59:19 2007 +0200
@@ -732,6 +732,12 @@
 CALCULEMUS 2007 for the general principles underlying this
 architecture of context-aware proof-tools.
 
+* Method "ferrack" implements quantifier elimination over
+special-purpose dense linear orders using locales (analogous to
+"algebra"). The method is already installed for class
+{ordered_field,recpower,number_ring} which subsumes real, hyperreal,
+rat, etc.
+
 * Former constant "List.op @" now named "List.append".  Use ML
 antiquotations @{const_name List.append} or @{term " ... @ ... "} to
 circumvent possible incompatibilities when working on ML level.