X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fgrammar%2Ftstc_vector.ma;h=997a5c1792f2cf7c160581ca3fcfba5bd19c740d;hb=52e675f555f559c047d5449db7fc89a51b977d35;hp=1e35292ef6a93d6adb84abf8b9c42417a6c35c27;hpb=75fac6d60f67a4dfa38ea6c2cc45a18eda5d8996;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/grammar/tstc_vector.ma b/matita/matita/contribs/lambdadelta/basic_2/grammar/tstc_vector.ma
index 1e35292ef..997a5c179 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/grammar/tstc_vector.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/grammar/tstc_vector.ma
@@ -20,14 +20,12 @@ include "basic_2/grammar/tstc.ma".
 (* Advanced inversion lemmas ************************************************)
 
 (* Basic_1: was only: iso_flats_lref_bind_false iso_flats_flat_bind_false *)
-lemma tstc_inv_bind_appls_simple: ∀a,I,Vs,V2,T1,T2. ⒶVs.T1 ≃ ⓑ{a,I} V2. T2 →
+lemma tstc_inv_bind_appls_simple: ∀a,I,Vs,V2,T1,T2. ⒶVs.T1 ≂ ⓑ{a,I} V2. T2 →
                                   𝐒⦃T1⦄ → ⊥.
 #a #I #Vs #V2 #T1 #T2 #H
 elim (tstc_inv_pair2 … H) -H #V0 #T0
 elim Vs -Vs normalize
-[ #H destruct #H
-  @(simple_inv_bind … H)
+[ #H destruct #H /2 width=5 by simple_inv_bind/
 | #V #Vs #_ #H destruct
 ]
-qed.
-
+qed-.