X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2A%2Freduction%2Fcnx_lift.ma;h=b4f94974aa701cb8b956190517f391683447b657;hb=f31020f1ae14e28c246b6cd9cf91b5864f4f536a;hp=08395110a49fcd8000d75856d3f272bfed7dc788;hpb=d2545ffd201b1aa49887313791386add78fa8603;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2A/reduction/cnx_lift.ma b/matita/matita/contribs/lambdadelta/basic_2A/reduction/cnx_lift.ma
index 08395110a..b4f94974a 100644
--- a/matita/matita/contribs/lambdadelta/basic_2A/reduction/cnx_lift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2A/reduction/cnx_lift.ma
@@ -23,7 +23,7 @@ lemma cnx_lift: ∀h,g,G,L0,L,T,T0,s,l,m. ⦃G, L⦄ ⊢ ➡[h, g] 𝐍⦃T⦄ 
                 ⬆[l, m] T ≡ T0 → ⦃G, L0⦄ ⊢ ➡[h, g] 𝐍⦃T0⦄.
 #h #g #G #L0 #L #T #T0 #s #l #m #HLT #HL0 #HT0 #X #H
 elim (cpx_inv_lift1 … H … HL0 … HT0) -L0 #T1 #HT10 #HT1
-<(HLT … HT1) in HT0; -L #HT0
+>(HLT … HT1) in HT0; -L #HT0
 >(lift_mono … HT10 … HT0) -T1 -X //
 qed.
 
@@ -32,6 +32,6 @@ lemma cnx_inv_lift: ∀h,g,G,L0,L,T,T0,s,l,m. ⦃G, L0⦄ ⊢ ➡[h, g] 𝐍⦃T
 #h #g #G #L0 #L #T #T0 #s #l #m #HLT0 #HL0 #HT0 #X #H
 elim (lift_total X l m) #X0 #HX0
 lapply (cpx_lift … H … HL0 … HT0 … HX0) -L #HTX0
->(HLT0 … HTX0) in HX0; -L0 -X0 #H
+<(HLT0 … HTX0) in HX0; -L0 -X0 #H
 >(lift_inj … H … HT0) -T0 -X -l -m //
 qed-.