X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Frpx_rpx.ma;h=85261b95a5810c0357db0466e626742ea5abfb14;hp=8b6716c10ddc9c9141a3a4ac9b47dddceccd4a70;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_rpx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_rpx.ma
index 8b6716c10..85261b95a 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_rpx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_rpx.ma
@@ -19,16 +19,16 @@ include "basic_2/rt_transition/rpx.ma".
 
 (* Main properties **********************************************************)
 
-theorem rpx_bind: ∀h,G,L1,L2,V1. ⦃G,L1⦄ ⊢ ⬈[h,V1] L2 →
-                  ∀I,V2,T. ⦃G,L1.ⓑ{I}V1⦄ ⊢ ⬈[h,T] L2.ⓑ{I}V2 →
-                  ∀p. ⦃G,L1⦄ ⊢ ⬈[h,ⓑ{p,I}V1.T] L2.
+theorem rpx_bind: ∀h,G,L1,L2,V1. ❪G,L1❫ ⊢ ⬈[h,V1] L2 →
+                  ∀I,V2,T. ❪G,L1.ⓑ[I]V1❫ ⊢ ⬈[h,T] L2.ⓑ[I]V2 →
+                  ∀p. ❪G,L1❫ ⊢ ⬈[h,ⓑ[p,I]V1.T] L2.
 /2 width=2 by rex_bind/ qed.
 
-theorem rpx_flat: ∀h,G,L1,L2,V. ⦃G,L1⦄ ⊢ ⬈[h,V] L2 →
-                  ∀I,T. ⦃G,L1⦄ ⊢ ⬈[h,T] L2 → ⦃G,L1⦄ ⊢ ⬈[h,ⓕ{I}V.T] L2.
+theorem rpx_flat: ∀h,G,L1,L2,V. ❪G,L1❫ ⊢ ⬈[h,V] L2 →
+                  ∀I,T. ❪G,L1❫ ⊢ ⬈[h,T] L2 → ❪G,L1❫ ⊢ ⬈[h,ⓕ[I]V.T] L2.
 /2 width=1 by rex_flat/ qed.
 
-theorem rpx_bind_void: ∀h,G,L1,L2,V. ⦃G,L1⦄ ⊢ ⬈[h,V] L2 →
-                       ∀T. ⦃G,L1.ⓧ⦄ ⊢ ⬈[h,T] L2.ⓧ →
-                       ∀p,I. ⦃G,L1⦄ ⊢ ⬈[h,ⓑ{p,I}V.T] L2.
+theorem rpx_bind_void: ∀h,G,L1,L2,V. ❪G,L1❫ ⊢ ⬈[h,V] L2 →
+                       ∀T. ❪G,L1.ⓧ❫ ⊢ ⬈[h,T] L2.ⓧ →
+                       ∀p,I. ❪G,L1❫ ⊢ ⬈[h,ⓑ[p,I]V.T] L2.
 /2 width=1 by rex_bind_void/ qed.