X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Flsx_lpx.ma;h=034024b72ea8708b9ac9de822ca16618db0853b3;hb=33f8507cadd3b36dc9afa227d8968dda66fe2034;hp=d191024b9a8b35cc4da0118ae619f21cad4c8f20;hpb=7a25b8fcba2436a75556db1725c6e1be78a9faca;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/lsx_lpx.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/lsx_lpx.ma
index d191024b9..034024b72 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/lsx_lpx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/lsx_lpx.ma
@@ -12,7 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "basic_2/substitution/lleq_lleq.ma".
+include "basic_2/multiple/lleq_lleq.ma".
 include "basic_2/reduction/lpx_lleq.ma".
 include "basic_2/computation/lsx.ma".
 
@@ -35,7 +35,7 @@ elim (lleq_dec T L1 L2 d) /3 width=4 by lsx_lleq_trans/
 qed-.
 
 lemma lsx_leq_conf: ∀h,g,G,L1,T,d. G ⊢ ⬊*[h, g, T, d] L1 →
-                    ∀L2. L1 ≃[d, ∞] L2 → G ⊢ ⬊*[h, g, T, d] L2.
+                    ∀L2. L1 ⩬[d, ∞] L2 → G ⊢ ⬊*[h, g, T, d] L2.
 #h #g #G #L1 #T #d #H @(lsx_ind … H) -L1
 #L1 #_ #IHL1 #L2 #HL12 @lsx_intro
 #L3 #HL23 #HnL23 elim (leq_lpx_trans_lleq … HL12 … HL23) -HL12 -HL23