X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Freduction%2Flpx_drop.ma;h=4ad9ae29ed1701d5de5623cb628ab0eef1de4dfc;hb=47bffe161a4be4a4d06f259215c4ccd7c2e56ad6;hp=27a0e473f744207148c4a42ca8786373cb69c017;hpb=296f79ae045db68312a245e4111afb554561de42;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/lpx_drop.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/lpx_drop.ma
index 27a0e473f..4ad9ae29e 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/lpx_drop.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/lpx_drop.ma
@@ -38,7 +38,7 @@ lemma fqu_lpx_trans: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐ ⦃G2, L2, T
 /3 width=5 by fqu_lref_O, fqu_pair_sn, fqu_flat_dx, lpx_pair, ex3_2_intro/
 [ #a #I #G2 #L2 #V2 #T2 #X #H elim (lpx_inv_pair1 … H) -H
   #K2 #W2 #HLK2 #HVW2 #H destruct
-  /3 width=5 by fqu_fquq, cpx_pair_sn, fqu_bind_dx, ex3_2_intro/
+  /3 width=5 by cpx_pair_sn, fqu_bind_dx, ex3_2_intro/
 | #G #L1 #K1 #T1 #U1 #e #HLK1 #HTU1 #K2 #HK12
   elim (drop_lpx_trans … HLK1 … HK12) -HK12
   /3 width=7 by fqu_drop, ex3_2_intro/