--- a/src/Pure/Isar/specification.ML Wed Apr 08 16:24:22 2015 +0200
+++ b/src/Pure/Isar/specification.ML Wed Apr 08 19:39:08 2015 +0200
@@ -356,7 +356,7 @@
val raw_propp = obtains |> map (fn (_, (_, props)) => map (rpair []) props);
val (propp, elems_ctxt) = prep_stmt (elems @ constraints) raw_propp ctxt;
- val thesis = Object_Logic.fixed_judgment (Proof_Context.theory_of ctxt) Auto_Bind.thesisN;
+ val thesis = Object_Logic.fixed_judgment ctxt Auto_Bind.thesisN;
fun assume_case ((name, (vars, _)), asms) ctxt' =
let