notational change of lift, drop, and gget

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / reduction / cix_lift.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/cix_lift.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/cix_lift.ma
index 59d408deeb79114a9d156bae26c0b00a7fae62a9..37835b0f1c4ef26fc152d7798aa8fd415447ef5b 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/cix_lift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/cix_lift.ma
@@ -19,17 +19,17 @@ include "basic_2/reduction/cix.ma".
 
 (* Advanced properties ******************************************************)
 
-lemma cix_lref: â\88\80h,g,G,L,i. â\87©[i] L ≡ ⋆ → ⦃G, L⦄ ⊢ ➡[h, g] 𝐈⦃#i⦄.
+lemma cix_lref: â\88\80h,g,G,L,i. â¬\87[i] L ≡ ⋆ → ⦃G, L⦄ ⊢ ➡[h, g] 𝐈⦃#i⦄.
 #h #g #G #L #i #HL #H elim (crx_inv_lref … H) -h #I #K #V #HLK
 lapply (drop_mono … HLK … HL) -L -i #H destruct
 qed.
 
 (* Properties on relocation *************************************************)
 
-lemma cix_lift: â\88\80h,g,G,K,T. â¦\83G, Kâ¦\84 â\8a¢ â\9e¡[h, g] ð\9d\90\88â¦\83Tâ¦\84 â\86\92 â\88\80L,s,d,e. â\87©[s, d, e] L ≡ K →
-                â\88\80U. â\87§[d, e] T ≡ U → ⦃G, L⦄ ⊢ ➡[h, g] 𝐈⦃U⦄.
+lemma cix_lift: â\88\80h,g,G,K,T. â¦\83G, Kâ¦\84 â\8a¢ â\9e¡[h, g] ð\9d\90\88â¦\83Tâ¦\84 â\86\92 â\88\80L,s,d,e. â¬\87[s, d, e] L ≡ K →
+                â\88\80U. â¬\86[d, e] T ≡ U → ⦃G, L⦄ ⊢ ➡[h, g] 𝐈⦃U⦄.
 /3 width=8 by crx_inv_lift/ qed.
 
-lemma cix_inv_lift: â\88\80h,g,G,L,U. â¦\83G, Lâ¦\84 â\8a¢ â\9e¡[h, g] ð\9d\90\88â¦\83Uâ¦\84 â\86\92 â\88\80K,s,d,e. â\87©[s, d, e] L ≡ K →
-                    â\88\80T. â\87§[d, e] T ≡ U → ⦃G, K⦄ ⊢ ➡[h, g] 𝐈⦃T⦄.
+lemma cix_inv_lift: â\88\80h,g,G,L,U. â¦\83G, Lâ¦\84 â\8a¢ â\9e¡[h, g] ð\9d\90\88â¦\83Uâ¦\84 â\86\92 â\88\80K,s,d,e. â¬\87[s, d, e] L ≡ K →
+                    â\88\80T. â¬\86[d, e] T ≡ U → ⦃G, K⦄ ⊢ ➡[h, g] 𝐈⦃T⦄.
 /3 width=8 by crx_lift/ qed-.