X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_simple.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_simple.ma;h=36cc5459f29766a4e6576288d7ea34846b4d7595;hb=8ec019202bff90959cf1a7158b309e7f83fa222e;hp=c3d8b95d45ef7c3e820dd723474535acaab98b3d;hpb=33d0a7a9029859be79b25b5a495e0f30dab11f37;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_simple.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_simple.ma
index c3d8b95d4..36cc5459f 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_simple.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_simple.ma
@@ -20,9 +20,9 @@ include "basic_2/rt_computation/csx_csx.ma".
 (* Properties with simple terms *********************************************)
 
 lemma csx_appl_simple (G) (L):
-      ∀V. ❪G,L❫ ⊢ ⬈*𝐒 V → ∀T1.
-      (∀T2. ❪G,L❫ ⊢ T1 ⬈ T2 → (T1 ≅ T2 → ⊥) → ❪G,L❫ ⊢ ⬈*𝐒 ⓐV.T2) →
-      𝐒❪T1❫ → ❪G,L❫ ⊢ ⬈*𝐒 ⓐV.T1.
+      ∀V. ❨G,L❩ ⊢ ⬈*𝐒 V → ∀T1.
+      (∀T2. ❨G,L❩ ⊢ T1 ⬈ T2 → (T1 ≅ T2 → ⊥) → ❨G,L❩ ⊢ ⬈*𝐒 ⓐV.T2) →
+      𝐒❨T1❩ → ❨G,L❩ ⊢ ⬈*𝐒 ⓐV.T1.
 #G #L #V #H @(csx_ind … H) -V
 #V #_ #IHV #T1 #IHT1 #HT1
 @csx_intro #X #H1 #H2