]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/multiple/cpys_cpys.ma
notational change of lift, drop, and gget
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / multiple / cpys_cpys.ma
index dc646a4caab8d8057d01d16df20cfc0ae844c287..9c21cb39de71c8815eb79dfda8b4bea329bf1ff1 100644 (file)
@@ -59,10 +59,10 @@ lemma cpys_split_up: ∀G,L,T1,T2,d,e. ⦃G, L⦄ ⊢ T1 ▶*[d, e] T2 →
 qed-.
 
 lemma cpys_inv_lift1_up: ∀G,L,U1,U2,dt,et. ⦃G, L⦄ ⊢ U1 ▶*[dt, et] U2 →
-                         â\88\80K,s,d,e. â\87©[s, d, e] L â\89¡ K â\86\92 â\88\80T1. â\87§[d, e] T1 ≡ U1 →
+                         â\88\80K,s,d,e. â¬\87[s, d, e] L â\89¡ K â\86\92 â\88\80T1. â¬\86[d, e] T1 ≡ U1 →
                          d ≤ dt → dt ≤ yinj d + e → yinj d + e ≤ dt + et →
                          ∃∃T2. ⦃G, K⦄ ⊢ T1 ▶*[d, dt + et - (yinj d + e)] T2 &
-                               â\87§[d, e] T2 ≡ U2.
+                               â¬\86[d, e] T2 ≡ U2.
 #G #L #U1 #U2 #dt #et #HU12 #K #s #d #e #HLK #T1 #HTU1 #Hddt #Hdtde #Hdedet
 elim (cpys_split_up … HU12 (d + e)) -HU12 // -Hdedet #U #HU1 #HU2
 lapply (cpys_weak … HU1 d e ? ?) -HU1 // [ >ymax_pre_sn_comm // ] -Hddt -Hdtde #HU1