update in static_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / syntax / teqo_simple_vector.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/syntax/teqo_simple_vector.ma b/matita/matita/contribs/lambdadelta/static_2/syntax/teqo_simple_vector.ma
index 1d89e0bc7ad7f896ebb5fb757a2242c26be81ae9..ce3229ab599d8f5bfee0fb1ab9626655128cfbc4 100644 (file)
--- a/matita/matita/contribs/lambdadelta/static_2/syntax/teqo_simple_vector.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/syntax/teqo_simple_vector.ma
@@ -22,7 +22,7 @@ include "static_2/syntax/teqo_simple.ma".
 (* Basic_1: was only: iso_flats_lref_bind_false iso_flats_flat_bind_false *)
 (* Basic_2A1: was: tsts_inv_bind_applv_simple *)
 lemma teqo_inv_applv_bind_simple (p) (I):
-      ∀Vs,V2,T1,T2. ⒶVs.T1 ⩳ ⓑ[p,I]V2.T2 → 𝐒❪T1❫ → ⊥.
+      ∀Vs,V2,T1,T2. ⒶVs.T1 ~ ⓑ[p,I]V2.T2 → 𝐒❪T1❫ → ⊥.
 #p #I #Vs #V2 #T1 #T2 #H elim (teqo_inv_pair2 … H) -H
 #V0 #T0 elim Vs -Vs normalize
 [ #H destruct #H /2 width=5 by simple_inv_bind/