--- a/Quot/QuotMain.thy	Tue Dec 08 17:34:10 2009 +0100
+++ b/Quot/QuotMain.thy	Tue Dec 08 17:40:58 2009 +0100
@@ -1055,7 +1055,7 @@
     val thy = ProofContext.theory_of lthy;
     val defs = map (Thm.varifyT o symmetric o #def) (qconsts_dest thy)
       (* FIXME: why is the Thm.varifyT needed: example where it fails is LamEx *)
-    val thms1 = @{thms all_prs ex_prs} @ defs
+    val thms1 = @{thms all_prs ex_prs} @ defs @ (prs_rules_get lthy) 
     val thms2 = @{thms eq_reflection[OF fun_map.simps]} @ (id_simps_get lthy)
                 @ @{thms Quotient_abs_rep Quotient_rel_rep} 
     fun simps thms = (mk_minimal_ss lthy) addsimps thms addSolver quotient_solver