- ldrop is now drop as in basic_1

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / multiple / llpx_sn_frees.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/multiple/llpx_sn_frees.ma b/matita/matita/contribs/lambdadelta/basic_2/multiple/llpx_sn_frees.ma
index f00bd071abb73e697e00dba5ab4bf5312db3a8e8..fdb31ffc5e71f0a01ff56c2db106752d7c2eb40d 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/multiple/llpx_sn_frees.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/multiple/llpx_sn_frees.ma
@@ -25,8 +25,8 @@ fact llpx_sn_frees_trans_aux: ∀R. (s_r_confluent1 … R (llpx_sn R 0)) → (fr
 #R #H1R #H2R #L2 #U #d #i #H elim H -L2 -U -d -i /3 width=2 by frees_eq/
 #I2 #L2 #K2 #U #W2 #d #i #j #Hdj #Hji #HnU #HLK2 #_ #IHW2 #L1 #HL12
 elim (llpx_sn_inv_alt_r … HL12) -HL12 #HL12 #IH
-lapply (ldrop_fwd_length_lt2 … HLK2) #Hj
-elim (ldrop_O1_lt (Ⓕ) L1 j) // -Hj -HL12 #I1 #K1 #W1 #HLK1
+lapply (drop_fwd_length_lt2 … HLK2) #Hj
+elim (drop_O1_lt (Ⓕ) L1 j) // -Hj -HL12 #I1 #K1 #W1 #HLK1
 elim (IH … HnU HLK1 HLK2) // -IH -HLK2 /5 width=11 by frees_be/
 qed-.