diff --git a/test/simple/Example.thy b/test/simple/Example.thy
deleted file mode 100644
index 718869a..0000000
--- a/test/simple/Example.thy
+++ /dev/null
@@ -1,161 +0,0 @@
-theory Example
-  imports  "../../ontologies/CENELEC_50128"
-  keywords "Term" :: diag 
-begin
-
-section\<open> Some show-off's of general antiquotations : for demos. \<close>
-
-  
-(* some show-off of standard anti-quotations: *) 
-print_attributes
-print_antiquotations
-
-text\<open>  @{thm refl}  of name @{thm [source] refl} 
-        @{thm[mode=Rule] conjI}
-        @{file "../../Isa_DOF.thy"} 
-        @{value "3+4::int"} 
-        @{const hd} 
-        @{theory List}}
-        @{term "3"} 
-        @{type bool}  
-        @{term [show_types] "f x = a + x"} \<close>
-   
-
-section\<open> Example \<close>
-
-text*[ass1::assumption] \<open> Brexit means Brexit \<close>
-
-text*[hyp1::hypothesis] \<open> P means not P \<close>
-  
-  
-text*[ass122::srac] \<open> The overall sampling frequence of the odometer
-subsystem is therefore 14 khz, which includes sampling, computing and
-result communication times... \<close>
-  
-text*[t10::test_result] \<open> This is a meta-test. This could be an ML-command
-that governs the external test-execution via, eg., a makefile or specific calls
-to a test-environment or test-engine \<close>
-
-
-text \<open> As established by @{docref (unchecked) \<open>t10\<close>}, 
-                         @{docref (define) \<open>t10\<close>}
-       the               @{docref  \<open>t10\<close>}
-       the               @{docref \<open>ass122\<close>}
-     \<close>  
-text \<open> safety related applicability condition @{srac \<open>ass122\<close>}.
-       exported constraint @{ec \<open>ass122\<close>}.       
-     \<close>
-  
-text\<open>
-   And some ontologically inconsistent reference:
-    @{hypothesis \<open>ass1\<close>} as well as 
-    
-\<close> 
--- "very wrong"
-
-text\<open>
-   And some ontologically inconsistent reference:
-    @{assumption \<open>hyp1\<close>} as well as 
-    
-\<close>
--- "very wrong"
-
-  
-  
-text\<open>
-   And some ontologically inconsistent reference:
-    @{test_result \<open>ass122\<close>} as well as 
-    
-\<close> 
--- wrong  
-  
-text\<open>
-   And some other ontologically inconsistent reference:
-    @{ec \<open>t10\<close>} as well as  
-\<close> 
--- wrong  
-  
-  
-
-section\<open> Some Tests for Ontology Framework and its CENELEC Instance \<close>  
-
-declare_reference* [lalala::requirement, alpha="main", beta=42]
-
-declare_reference* [lalala::quod] (* multiple declaration*)
--- wrong  
-
-declare_reference* [blablabla::cid, alpha="beta sdf", beta=gamma, delta=dfg_fgh\<^sub>1]
-  
-paragraph*[sdf]\<open> just a paragraph \<close>  
-paragraph* [sdfk] \<open> just a paragraph - lexical variant \<close>  
-
-subsection*[sdf]\<open> shouldn't work, multiple ref. \<close>  
--- wrong
-
-section*[sedf::requirement, long_name = "None::string option"]
-        \<open> works again. One can hover over the class constraint and jump to its definition. \<close>  
-  
-section*[seedf::test_case, dfg=34,fgdfg=zf]\<open> and another example with undefined attributes. \<close>  
--- wrong
-
-section\<open> Text Antiquotation Infrastructure ... \<close>  
-                  
-text\<open> @{docref \<open>lalala\<close>} -- produces warning. \<close>  
-text\<open> @{docref (unchecked) \<open>lalala\<close>} -- produces no warning. \<close>  
-
-text\<open> @{docref \<open>ass122\<close>} -- global reference to a text-item in another file. \<close>
-
-text\<open> @{ec \<open>ass122\<close>} -- global reference to a exported constraint in another file.
-                         Note that the link is actually a srac, which, according to 
-                         the ontology, happens to be an "ec".  \<close>
-
-text\<open> @{test_specification \<open>ass122\<close>} -- wrong: "reference ontologically inconsistent". \<close>
-
-
-
-text\<open> Here is a reference to @{docref \<open>sedf\<close>} \<close>   
-(* works currently only in connection with the above label-hack. 
-   Try to hover over the sedf - link and activate it !!! *)
- 
-
-
-
-
-
-
-
-
-
-
-
-  
-section\<open> A Small Example for Isar-support of a Command Definition --- for demos. \<close>
-
-ML\<open> 
-
-local 
-      val opt_modes =  Scan.optional (@{keyword "("} 
-                        |-- Parse.!!! (Scan.repeat1 Parse.name 
-                        --| @{keyword ")"})) [];
-in
-      val _ =
-        Outer_Syntax.command @{command_keyword Term} "read and print term"
-          (opt_modes -- Parse.term >> Isar_Cmd.print_term);
-end
-\<close>
-
-lemma "True" by simp
-  
-Term "a + b = b + a"
-
-term "a + b = b + a"  
-
-
-
-
-section(in order)\<open> sdfsdf \<close>  (* undocumented trouvaille when analysing the code *) 
-
-  
-end 
-  
-    
\ No newline at end of file