diff --git a/Isabelle_DOF/ontologies/technical_report/technical_report.thy b/Isabelle_DOF/ontologies/technical_report/technical_report.thy
index 8fb209b..5f8bc61 100644
--- a/Isabelle_DOF/ontologies/technical_report/technical_report.thy
+++ b/Isabelle_DOF/ontologies/technical_report/technical_report.thy
@@ -80,5 +80,71 @@ doc_class report =
            \<lbrace>index\<rbrace>\<^sup>*  ~~  
            bibliography)"
 
+ML\<open>ML_Syntax.print_string\<close>
+ML\<open>ML_Syntax.atomic\<close>
+(*
+ML\<open>@{doc_class "report"}\<close>
+*)
+ML\<open> fun get_class_2_ML ctxt (str,_) =
+        let val thy = Context.theory_of ctxt
+            val DOF_core.Onto_Class S = (DOF_core.get_onto_class_global' str thy) 
+         in ML_Syntax.atomic(ML_Syntax.print_string(@{make_string} S)) end \<close>
+
+setup\<open>ML_Antiquotation.inline  \<^binding>\<open>doc_class2\<close>  
+               (fn (ctxt,toks) => (AttributeAccess.parse_cid >> get_class_2_ML ctxt) (ctxt, toks))\<close>
+
+ML\<open>@{doc_class2 "report"}\<close>
+
+ML\<open>fun constant_def (decl, spec, prems, params) = #2 o Specification.definition decl params prems spec\<close>
+
+
+ML\<open> val DOF_core.Onto_Class S = (DOF_core.get_onto_class_global' "report" @{theory});
+    val regexp = #rex S 
+    val binding = #name S 
+    val doc_class_ty = @{typ doc_class}
+    val rexp_ty = @{typ "doc_class rexp"}
+    fun meta_eq_const T = Const (\<^const_name>\<open>Pure.eq\<close>, T --> T --> propT);
+    fun mk_meta_eq (t, u) = meta_eq_const (fastype_of t) $ t $ u;
+
+\<close>
+    
+
+ML\<open>
+   fun define (binding, rhs) (lthy)=  
+            let val Const(cname, _) = Syntax.read_term lthy (Binding.name_of binding)
+                val lhs = Const(cname, rexp_ty)
+                val bdg = Binding.suffix_name "_monitor" binding
+                val eq =  mk_meta_eq(Free(Binding.name_of bdg, rexp_ty),rhs)
+                val args = (SOME(bdg,NONE,NoSyn), (Binding.empty_atts,eq),[],[]) ;
+            in  constant_def args lthy end;
+\<close>
+
+setup\<open>Named_Target.theory_map(define (binding, hd regexp)) \<close>
+
+ML\<open>
+val DOF_core.Onto_Class S = (DOF_core.get_onto_class_global' "article" @{theory});
+    val regexp = #rex S 
+    val binding = #name S \<close>
+
+setup\<open>Named_Target.theory_map(define (binding, hd regexp)) \<close>
+
+find_theorems (500) name:report_rexp
+thm article_def report_def title_def subtitle_def introduction_def
+
+
+notation Star  ("\<lbrace>(_)\<rbrace>\<^sup>*" [0]100)
+notation Plus  (infixr "||" 55)
+notation Times (infixr "~~" 60)
+notation Atom  ("\<lfloor>_\<rfloor>" 65)
+
+
+lemma seq_cancel : "Lang (a ~~ b) \<subseteq> Lang (a ~~ c) = (Lang (b) \<subseteq> Lang (c))" sorry
+lemma seq_d1 : "Lang (opt b ~~ a) \<subseteq> Lang ( c) = (Lang (a) \<subseteq> Lang (c))" sorry
+lemma seq_d2 : "Lang (a) \<subseteq> Lang (opt b ~~ c) = (Lang (a) \<subseteq> Lang (c))" sorry
+lemma \<open>(Lang article_monitor)  \<subseteq> Lang report_monitor\<close>
+  unfolding article_monitor_def report_monitor_def
+  apply(simp only: seq_cancel seq_d1 seq_d2)
+  oops
+
 
 end
diff --git a/Isabelle_DOF/thys/Isa_DOF.thy b/Isabelle_DOF/thys/Isa_DOF.thy
index 3e38694..bbc3baa 100644
--- a/Isabelle_DOF/thys/Isa_DOF.thy
+++ b/Isabelle_DOF/thys/Isa_DOF.thy
@@ -2985,6 +2985,7 @@ fun context_position_parser parse_con (ctxt, toks) =
          val (res, (ctxt', toks')) = parse_con (ctxt, toks)
      in  ((res,pos),(ctxt', toks')) end
 
+val parse_cid0 = parse_cid
 val parse_cid = (context_position_parser Args.typ_abbrev)
           >> (fn (Type(ss,_),pos) =>  (pos,ss)
                 |( _,pos) => ISA_core.err "Undefined Class Id" pos);
@@ -2996,6 +2997,11 @@ fun pretty_cid_style ctxt (_,(pos,cid)) =
     (*reconversion to term in order to have access to term print options like: names_short etc...) *)
           Document_Output.pretty_term ctxt ((compute_cid_repr ctxt cid pos));
 
+fun get_class_2_ML ctxt (str,_) =
+        let val thy = Context.theory_of ctxt
+            val DOF_core.Onto_Class S = (DOF_core.get_onto_class_global' str thy) 
+         in @{make_string} S end
+
 in
 val _ = Theory.setup 
            (ML_Antiquotation.inline  \<^binding>\<open>docitem\<close> 
@@ -3006,6 +3012,8 @@ val _ = Theory.setup
                (fn (ctxt,toks) => (parse_oid >> trace_attr_2_ML ctxt) (ctxt, toks)) #>
             ML_Antiquotation.inline  \<^binding>\<open>docitem_name\<close>  
                (fn (ctxt,toks) => (parse_oid >> get_instance_name_2_ML ctxt) (ctxt, toks)) #>
+            ML_Antiquotation.inline  \<^binding>\<open>doc_class\<close>  
+               (fn (ctxt,toks) => (parse_cid0 >> get_class_2_ML ctxt) (ctxt, toks)) #>
             basic_entity  \<^binding>\<open>trace_attribute\<close>  parse_oid'  pretty_trace_style #>
             basic_entity  \<^binding>\<open>doc_class\<close>  parse_cid'  pretty_cid_style #>
             basic_entity  \<^binding>\<open>onto_class\<close> parse_cid'  pretty_cid_style #>