X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcnx_drops.ma;h=76f8f77b093cd6cb65a3b1a85b8a33dd6af249ab;hp=977d278f9e98671a15e25e4c97bfdf815b6100a4;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_drops.ma
index 977d278f9..76f8f77b0 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_drops.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_drops.ma
@@ -20,12 +20,12 @@ include "basic_2/rt_transition/cnx.ma".
 
 (* Properties with generic slicing ******************************************)
 
-lemma cnx_lref_atom: ∀h,G,L,i. ⇩*[i] L ≘ ⋆ → ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃#i⦄.
+lemma cnx_lref_atom: ∀h,G,L,i. ⇩*[i] L ≘ ⋆ → ❪G,L❫ ⊢ ⬈[h] 𝐍❪#i❫.
 #h #G #L #i #Hi #X #H elim (cpx_inv_lref1_drops … H) -H // *
 #I #K #V1 #V2 #HLK lapply (drops_mono … Hi … HLK) -L #H destruct
 qed.
 
-lemma cnx_lref_unit: ∀h,I,G,L,K,i. ⇩*[i] L ≘ K.ⓤ{I} → ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃#i⦄.
+lemma cnx_lref_unit: ∀h,I,G,L,K,i. ⇩*[i] L ≘ K.ⓤ[I] → ❪G,L❫ ⊢ ⬈[h] 𝐍❪#i❫.
 #h #I #G #L #K #i #HLK #X #H elim (cpx_inv_lref1_drops … H) -H // *
 #Z #Y #V1 #V2 #HLY lapply (drops_mono … HLK … HLY) -L #H destruct
 qed.
@@ -40,9 +40,9 @@ qed-.
 (* Inversion lemmas with generic slicing ************************************)
 
 (* Basic_2A1: was: cnx_inv_delta *)
-lemma cnx_inv_lref_pair: ∀h,I,G,L,K,V,i. ⇩*[i] L ≘ K.ⓑ{I}V → ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃#i⦄ → ⊥.
+lemma cnx_inv_lref_pair: ∀h,I,G,L,K,V,i. ⇩*[i] L ≘ K.ⓑ[I]V → ❪G,L❫ ⊢ ⬈[h] 𝐍❪#i❫ → ⊥.
 #h #I #G #L #K #V #i #HLK #H
-elim (lifts_total V (𝐔❴↑i❵)) #W #HVW
+elim (lifts_total V (𝐔❨↑i❩)) #W #HVW
 lapply (H W ?) -H /2 width=7 by cpx_delta_drops/ -HLK
 #H lapply (teqx_inv_lref1 … H) -H #H destruct
 /2 width=5 by lifts_inv_lref2_uni_lt/