- ng_refiner:

[helm.git] / matita / components / ng_tactics / nDestructTac.ml

diff --git a/matita/components/ng_tactics/nDestructTac.ml b/matita/components/ng_tactics/nDestructTac.ml
index 990cc672bbede15aaa17f8f9a2a088e8c452319e..f03baa65645b5bf1e9ee33414fc0b47f89040319 100644 (file)
--- a/matita/components/ng_tactics/nDestructTac.ml
+++ b/matita/components/ng_tactics/nDestructTac.ml
@@ -174,7 +174,7 @@ let hp_pattern_jm n =
 (* creates the discrimination = injection+contradiction principle *)
 exception ConstructorTooBig of string;;
 
-let mk_discriminator ~use_jmeq name it leftno status baseuri =
+let mk_discriminator ~use_jmeq ?(force=false) name it leftno status baseuri =
   let itnargs = 
     let _,_,arity,_ = it in 
     List.length (arg_list 0 arity) in
@@ -291,7 +291,7 @@ let mk_discriminator ~use_jmeq name it leftno status baseuri =
                  List.map
                    (fun i -> 
                       let nargs_kty = nargs it leftno i in
-                      if (nargs_kty > 5 && not use_jmeq) then raise (ConstructorTooBig (kname i)); 
+                      if (nargs_kty > 5 && not use_jmeq && not force) then raise (ConstructorTooBig (kname i)); 
                       let ts = iter (fun m acc -> mk_id ("t" ^ (string_of_int m))::acc)
                                  (nargs_kty - 1) [] in
                      let nones = 
@@ -321,11 +321,11 @@ let mk_discriminator ~use_jmeq name it leftno status baseuri =
   (* PHASE 2: create the object for the proof of the principle: we'll name it
    * "theorem" *)
   let status, theorem =
-   GrafiteDisambiguate.disambiguate_nobj status ~baseuri 
+   let attrs = `Generated, `Theorem, `DiscriminationPrinciple in
+   GrafiteDisambiguate.disambiguate_nobj status ~baseuri
     (baseuri ^ name ^ ".def",0,
       NotationPt.Theorem
-       (`Theorem,name,principle,
-         Some (NotationPt.Implicit (`Tagged "inv")),`DiscriminationPrinciple))
+       (name, principle, Some (NotationPt.Implicit (`Tagged "inv")), attrs))
   in 
   let uri,height,nmenv,nsubst,nobj = theorem in
   let ninitial_stack = Continuationals.Stack.of_nmetasenv nmenv in