--- a/src/HOL/Tools/coinduction.ML Thu Mar 06 11:32:16 2014 +0100
+++ b/src/HOL/Tools/coinduction.ML Thu Mar 06 12:10:19 2014 +0100
@@ -129,7 +129,7 @@
| NONE => error ("No rule for " ^ k ^ " " ^ quote name))))));
fun rule get_type get_pred =
- named_rule Induct.typeN (Args.type_name false) get_type ||
+ named_rule Induct.typeN (Args.type_name {proper = false, strict = false}) get_type ||
named_rule Induct.predN (Args.const false) get_pred ||
named_rule Induct.setN (Args.const false) get_pred ||
Scan.lift (Args.$$$ ruleN -- Args.colon) |-- Attrib.thms;