notational change of lift, drop, and gget

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / computation / lsubc_drop.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_drop.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_drop.ma
index 0e48ce8a3ff4bf4f93c5a1613e4c24b216051d77..404f7f5820f3b498db93c2e918eb5e46cceb6d9b 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_drop.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/lsubc_drop.ma
@@ -21,8 +21,8 @@ include "basic_2/computation/lsubc.ma".
 
 (* Basic_1: was: csubc_drop_conf_O *)
 (* Note: the constant 0 can not be generalized *)
-lemma lsubc_drop_O1_trans: â\88\80RP,G,L1,L2. G â\8a¢ L1 â«\83[RP] L2 â\86\92 â\88\80K2,s,e. â\87©[s, 0, e] L2 ≡ K2 →
-                           â\88\83â\88\83K1. â\87©[s, 0, e] L1 ≡ K1 & G ⊢ K1 ⫃[RP] K2.
+lemma lsubc_drop_O1_trans: â\88\80RP,G,L1,L2. G â\8a¢ L1 â«\83[RP] L2 â\86\92 â\88\80K2,s,e. â¬\87[s, 0, e] L2 ≡ K2 →
+                           â\88\83â\88\83K1. â¬\87[s, 0, e] L1 ≡ K1 & G ⊢ K1 ⫃[RP] K2.
 #RP #G #L1 #L2 #H elim H -L1 -L2
 [ #X #s #e #H elim (drop_inv_atom1 … H) -H /4 width=3 by drop_atom, ex2_intro/
 | #I #L1 #L2 #V #_ #IHL12 #X #s #e #H
@@ -42,8 +42,8 @@ qed-.
 
 (* Basic_1: was: csubc_drop_conf_rev *)
 lemma drop_lsubc_trans: ∀RR,RS,RP. gcp RR RS RP →
-                        â\88\80G,L1,K1,d,e. â\87©[Ⓕ, d, e] L1 ≡ K1 → ∀K2. G ⊢ K1 ⫃[RP] K2 →
-                        â\88\83â\88\83L2. G â\8a¢ L1 â«\83[RP] L2 & â\87©[Ⓕ, d, e] L2 ≡ K2.
+                        â\88\80G,L1,K1,d,e. â¬\87[Ⓕ, d, e] L1 ≡ K1 → ∀K2. G ⊢ K1 ⫃[RP] K2 →
+                        â\88\83â\88\83L2. G â\8a¢ L1 â«\83[RP] L2 & â¬\87[Ⓕ, d, e] L2 ≡ K2.
 #RR #RS #RP #Hgcp #G #L1 #K1 #d #e #H elim H -L1 -K1 -d -e
 [ #d #e #He #X #H elim (lsubc_inv_atom1 … H) -H
   >He /2 width=3 by ex2_intro/