Proof-irrelevance check for all applications (first version)

[helm.git] / helm / software / components / ng_kernel / nCicReduction.ml

diff --git a/helm/software/components/ng_kernel/nCicReduction.ml b/helm/software/components/ng_kernel/nCicReduction.ml
index 4ff6af692bdb924fa651b937cdebe6b942131c99..c15e75a872a89c14c31e3035918fd16dfbcd2211 100644 (file)
--- a/helm/software/components/ng_kernel/nCicReduction.ml
+++ b/helm/software/components/ng_kernel/nCicReduction.ml
@@ -171,7 +171,7 @@ let whd = R.whd
 let (===) x y = Pervasives.compare x y = 0 ;;
 
 (* t1, t2 must be well-typed *)
-let are_convertible ?(subst=[])  =
+let are_convertible ?(subst=[]) get_relevance =
  let rec aux test_eq_only context t1 t2 =
    let rec alpha_eq test_eq_only t1 t2 =
      if t1 === t2 then
@@ -222,26 +222,15 @@ let are_convertible ?(subst=[])  =
               aux test_eq_only context t1 term
            with NCicUtils.Subst_not_found _ -> false)
 
-       | (C.Appl (C.Const r1::tl1), C.Appl (C.Const r2::tl2)) ->
-          r1 = r2 &&
-           let relevance = NCicEnvironment.get_relevance r1 in
-           let relevance = 
-             match r1 with 
-             | Ref.Ref (_,Ref.Con (_,_,lno)) -> 
-                 let _,relevance = HExtlib.split_nth lno relevance in
-                 HExtlib.mk_list false lno @ relevance
-             | _ -> relevance 
-           in
+       | (C.Appl (hd1::tl1), C.Appl (hd2::tl2)) ->
+           aux test_eq_only context hd1 hd2 &&
+          let relevance = get_relevance ~subst context hd1 in
            (try
              HExtlib.list_forall_default3
               (fun t1 t2 b -> not b || aux test_eq_only context t1 t2)
               tl1 tl2 true relevance
             with Invalid_argument _ -> false)
 
-       | (C.Appl l1, C.Appl l2) ->
-          (try List.for_all2 (aux test_eq_only context) l1 l2
-           with Invalid_argument _ -> false)
-
        | (C.Match (ref1,outtype1,term1,pl1),
           C.Match (ref2,outtype2,term2,pl2)) -> 
            Ref.eq ref1 ref2 &&