notational change of lift, drop, and gget

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/crr.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/crr.ma
index 3aca991bc4badd761bb1c2bf29b12340e442dd43..f5bc97b501e27aa2333cb00ba326ea833ff82edf 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/crr.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/crr.ma
@@ -29,7 +29,7 @@ definition ib2: relation2 bool bind2 ≝
 (* activate genv *)
 (* reducible terms *)
 inductive crr (G:genv): relation2 lenv term ≝
-| crr_delta  : â\88\80L,K,V,i. â\87©[i] L ≡ K.ⓓV → crr G L (#i)
+| crr_delta  : â\88\80L,K,V,i. â¬\87[i] L ≡ K.ⓓV → crr G L (#i)
 | crr_appl_sn: ∀L,V,T. crr G L V → crr G L (ⓐV.T)
 | crr_appl_dx: ∀L,V,T. crr G L T → crr G L (ⓐV.T)
 | crr_ri2    : ∀I,L,V,T. ri2 I → crr G L (②{I}V.T)
@@ -62,7 +62,7 @@ lemma crr_inv_sort: ∀G,L,k. ⦃G, L⦄ ⊢ ➡ 𝐑⦃⋆k⦄ → ⊥.
 /2 width=6 by crr_inv_sort_aux/ qed-.
 
 fact crr_inv_lref_aux: ∀G,L,T,i. ⦃G, L⦄ ⊢ ➡ 𝐑⦃T⦄ → T = #i →
-                       â\88\83â\88\83K,V. â\87©[i] L ≡ K.ⓓV.
+                       â\88\83â\88\83K,V. â¬\87[i] L ≡ K.ⓓV.
 #G #L #T #j * -L -T
 [ #L #K #V #i #HLK #H destruct /2 width=3 by ex1_2_intro/
 | #L #V #T #_ #H destruct
@@ -75,7 +75,7 @@ fact crr_inv_lref_aux: ∀G,L,T,i. ⦃G, L⦄ ⊢ ➡ 𝐑⦃T⦄ → T = #i →
 ]
 qed-.
 
-lemma crr_inv_lref: â\88\80G,L,i. â¦\83G, Lâ¦\84 â\8a¢ â\9e¡ ð\9d\90\91â¦\83#iâ¦\84 â\86\92 â\88\83â\88\83K,V. â\87©[i] L ≡ K.ⓓV.
+lemma crr_inv_lref: â\88\80G,L,i. â¦\83G, Lâ¦\84 â\8a¢ â\9e¡ ð\9d\90\91â¦\83#iâ¦\84 â\86\92 â\88\83â\88\83K,V. â¬\87[i] L ≡ K.ⓓV.
 /2 width=4 by crr_inv_lref_aux/ qed-.
 
 fact crr_inv_gref_aux: ∀G,L,T,p. ⦃G, L⦄ ⊢ ➡ 𝐑⦃T⦄ → T = §p → ⊥.