X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Ffsb_aaa.ma;h=e8f4d2015856aaf0769918a7587bcf6a43f7ed8a;hb=7a25b8fcba2436a75556db1725c6e1be78a9faca;hp=1074ef74d3dad0a0254d3dd7391afcc60b91d9d8;hpb=6aab24b40d5d09561375959043ecd85c8b428d85;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/fsb_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/fsb_aaa.ma
index 1074ef74d..e8f4d2015 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/fsb_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/fsb_aaa.ma
@@ -52,7 +52,7 @@ lemma aaa_ind_fpbu: ∀h,g. ∀R:relation3 genv lenv term.
 
 fact aaa_ind_fpbg_aux: ∀h,g. ∀R:relation3 genv lenv term.
                        (∀G1,L1,T1,A. ⦃G1, L1⦄ ⊢ T1 ⁝ A →
-                                     (∀G2,L2,T2. ⦃G1, L1, T1⦄ >⋕[h, g] ⦃G2, L2, T2⦄ → R G2 L2 T2) →
+                                     (∀G2,L2,T2. ⦃G1, L1, T1⦄ >≡[h, g] ⦃G2, L2, T2⦄ → R G2 L2 T2) →
                                      R G1 L1 T1
                        ) →
                        ∀G,L,T. ⦃G, L⦄ ⊢ ⬊*[h, g] T → ∀A. ⦃G, L⦄ ⊢ T ⁝ A → R G L T.
@@ -64,7 +64,7 @@ qed-.
 
 lemma aaa_ind_fpbg: ∀h,g. ∀R:relation3 genv lenv term.
                     (∀G1,L1,T1,A. ⦃G1, L1⦄ ⊢ T1 ⁝ A →
-                                  (∀G2,L2,T2. ⦃G1, L1, T1⦄ >⋕[h, g] ⦃G2, L2, T2⦄ → R G2 L2 T2) →
+                                  (∀G2,L2,T2. ⦃G1, L1, T1⦄ >≡[h, g] ⦃G2, L2, T2⦄ → R G2 L2 T2) →
                                   R G1 L1 T1
                     ) →
                     ∀G,L,T,A. ⦃G, L⦄ ⊢ T ⁝ A → R G L T.