X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Freduction%2Fcir_lift.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Freduction%2Fcir_lift.ma;h=0cea0de9cde6f74eb61344b99da9c5c8ad653d7f;hb=606dab57f31b66eb3f30f603185124b88dfad4c1;hp=0c518239a44b111705c14b675f6efae685faad8a;hpb=946abd88fa24966751555193b0fe0d52e50722f2;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/cir_lift.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/cir_lift.ma
index 0c518239a..0cea0de9c 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/cir_lift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/cir_lift.ma
@@ -19,10 +19,10 @@ include "basic_2/reduction/cir.ma".
 
 (* Properties on relocation *************************************************)
 
-lemma cir_lift: ∀G,K,T. ⦃G, K⦄ ⊢ 𝐈⦃T⦄ → ∀L,s,d,e. ⇩[s, d, e] L ≡ K →
-                ∀U. ⇧[d, e] T ≡ U → ⦃G, L⦄ ⊢ 𝐈⦃U⦄.
+lemma cir_lift: ∀G,K,T. ⦃G, K⦄ ⊢ ➡ 𝐈⦃T⦄ → ∀L,s,d,e. ⇩[s, d, e] L ≡ K →
+                ∀U. ⇧[d, e] T ≡ U → ⦃G, L⦄ ⊢ ➡ 𝐈⦃U⦄.
 /3 width=8 by crr_inv_lift/ qed.
 
-lemma cir_inv_lift: ∀G,L,U. ⦃G, L⦄ ⊢ 𝐈⦃U⦄ → ∀K,s,d,e. ⇩[s, d, e] L ≡ K →
-                    ∀T. ⇧[d, e] T ≡ U → ⦃G, K⦄ ⊢ 𝐈⦃T⦄.
+lemma cir_inv_lift: ∀G,L,U. ⦃G, L⦄ ⊢ ➡ 𝐈⦃U⦄ → ∀K,s,d,e. ⇩[s, d, e] L ≡ K →
+                    ∀T. ⇧[d, e] T ≡ U → ⦃G, K⦄ ⊢ ➡ 𝐈⦃T⦄.
 /3 width=8 by crr_lift/ qed-.