]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_rdeq.ma
some restyling ...
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / csx_rdeq.ma
index a254d9751d0852495d289b5f9af3aa412b333bce..dcd0462e185298b22875092fb9d451468c96e8be 100644 (file)
@@ -20,8 +20,8 @@ include "basic_2/rt_computation/csx_csx.ma".
 (* Properties with sort-irrelevant equivalence for local environments *******)
 
 (* Basic_2A1: uses: csx_lleq_conf *)
-lemma csx_rdeq_conf: ∀h,G,L1,T. ⦃G, L1⦄ ⊢ ⬈*[h] 𝐒⦃T⦄ →
-                     ∀L2. L1 ≛[T] L2 → ⦃G, L2⦄ ⊢ ⬈*[h] 𝐒⦃T⦄.
+lemma csx_rdeq_conf: ∀h,G,L1,T. ⦃G,L1⦄ ⊢ ⬈*[h] 𝐒⦃T⦄ →
+                     ∀L2. L1 ≛[T] L2 → ⦃G,L2⦄ ⊢ ⬈*[h] 𝐒⦃T⦄.
 #h #G #L1 #T #H
 @(csx_ind … H) -T #T1 #_ #IH #L2 #HL12
 @csx_intro #T2 #HT12 #HnT12
@@ -31,5 +31,5 @@ qed-.
 
 (* Basic_2A1: uses: csx_lleq_conf *)
 lemma csx_rdeq_trans: ∀h,L1,L2,T. L1 ≛[T] L2 →
-                      ∀G. ⦃G, L2⦄ ⊢ ⬈*[h] 𝐒⦃T⦄ → ⦃G, L1⦄ ⊢ ⬈*[h] 𝐒⦃T⦄.
+                      ∀G. ⦃G,L2⦄ ⊢ ⬈*[h] 𝐒⦃T⦄ → ⦃G,L1⦄ ⊢ ⬈*[h] 𝐒⦃T⦄.
 /3 width=3 by csx_rdeq_conf, rdeq_sym/ qed-.