]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_length.ma
update in ground_2, static_2, basic_2, apps_2, alpha_1
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / rpx_length.ma
index 45a052c6764800f9420a506f6ea4e2d907d02b13..7f3bdc40d1c24db87cd9ab78c50e24bb96aad6d5 100644 (file)
@@ -19,15 +19,15 @@ include "basic_2/rt_transition/rpx.ma".
 
 (* Forward lemmas with length for local environments ************************)
 
-lemma rpx_fwd_length: â\88\80h,G,L1,L2,T. â¦\83G,L1â¦\84 ⊢ ⬈[h,T] L2 → |L1| = |L2|.
+lemma rpx_fwd_length: â\88\80h,G,L1,L2,T. â\9dªG,L1â\9d« ⊢ ⬈[h,T] L2 → |L1| = |L2|.
 /2 width=3 by rex_fwd_length/ qed-.
 
 (* Inversion lemmas with length for local environments **********************)
 
-lemma rpx_inv_zero_length: â\88\80h,G,Y1,Y2. â¦\83G,Y1â¦\84 ⊢ ⬈[h,#0] Y2 →
+lemma rpx_inv_zero_length: â\88\80h,G,Y1,Y2. â\9dªG,Y1â\9d« ⊢ ⬈[h,#0] Y2 →
                            ∨∨ ∧∧ Y1 = ⋆ & Y2 = ⋆
-                            | â\88\83â\88\83I,L1,L2,V1,V2. â¦\83G,L1â¦\84 ⊢ ⬈[h,V1] L2 &
-                                               â¦\83G,L1â¦\84 ⊢ V1 ⬈[h] V2 &
-                                               Y1 = L1.ⓑ{I}V1 & Y2 = L2.ⓑ{I}V2
-                            | ∃∃I,L1,L2. |L1| = |L2| & Y1 = L1.ⓤ{I} & Y2 = L2.ⓤ{I}.
+                            | â\88\83â\88\83I,L1,L2,V1,V2. â\9dªG,L1â\9d« ⊢ ⬈[h,V1] L2 &
+                                               â\9dªG,L1â\9d« ⊢ V1 ⬈[h] V2 &
+                                               Y1 = L1.ⓑ[I]V1 & Y2 = L2.ⓑ[I]V2
+                            | ∃∃I,L1,L2. |L1| = |L2| & Y1 = L1.ⓤ[I] & Y2 = L2.ⓤ[I].
 /2 width=1 by rex_inv_zero_length/ qed-.