notational change of lift, drop, and gget

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_lift.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_lift.ma
index 001f2017f5fdff5528aa0e9836589c288d0bc662..96ba325053322d98792dda61bf33d2685ebe31a4 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_lift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/cnr_lift.ma
@@ -20,7 +20,7 @@ include "basic_2/reduction/cnr.ma".
 (* Advanced properties ******************************************************)
 
 (* Basic_1: was: nf2_lref_abst *)
-lemma cnr_lref_abst: â\88\80G,L,K,V,i. â\87©[i] L ≡ K. ⓛV → ⦃G, L⦄ ⊢ ➡ 𝐍⦃#i⦄.
+lemma cnr_lref_abst: â\88\80G,L,K,V,i. â¬\87[i] L ≡ K. ⓛV → ⦃G, L⦄ ⊢ ➡ 𝐍⦃#i⦄.
 #G #L #K #V #i #HLK #X #H
 elim (cpr_inv_lref1 … H) -H // *
 #K0 #V1 #V2 #HLK0 #_ #_
@@ -31,7 +31,7 @@ qed.
 
 (* Basic_1: was: nf2_lift *)
 lemma cnr_lift: ∀G,L0,L,T,T0,s,d,e. ⦃G, L⦄ ⊢ ➡ 𝐍⦃T⦄ →
-                â\87©[s, d, e] L0 â\89¡ L â\86\92 â\87§[d, e] T ≡ T0 → ⦃G, L0⦄ ⊢ ➡ 𝐍⦃T0⦄.
+                â¬\87[s, d, e] L0 â\89¡ L â\86\92 â¬\86[d, e] T ≡ T0 → ⦃G, L0⦄ ⊢ ➡ 𝐍⦃T0⦄.
 #G #L0 #L #T #T0 #s #d #e #HLT #HL0 #HT0 #X #H
 elim (cpr_inv_lift1 … H … HL0 … HT0) -L0 #T1 #HT10 #HT1
 <(HLT … HT1) in HT0; -L #HT0
@@ -40,7 +40,7 @@ qed.
 
 (* Note: this was missing in basic_1 *)
 lemma cnr_inv_lift: ∀G,L0,L,T,T0,s,d,e. ⦃G, L0⦄ ⊢ ➡ 𝐍⦃T0⦄ →
-                    â\87©[s, d, e] L0 â\89¡ L â\86\92 â\87§[d, e] T ≡ T0 → ⦃G, L⦄ ⊢ ➡ 𝐍⦃T⦄.
+                    â¬\87[s, d, e] L0 â\89¡ L â\86\92 â¬\86[d, e] T ≡ T0 → ⦃G, L⦄ ⊢ ➡ 𝐍⦃T⦄.
 #G #L0 #L #T #T0 #s #d #e #HLT0 #HL0 #HT0 #X #H
 elim (lift_total X d e) #X0 #HX0
 lapply (cpr_lift … H … HL0 … HT0 … HX0) -L #HTX0