X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Freduction%2Fibfr_eq.ma;h=973a4570fa187554fb10cbb094c16b07c432c227;hb=345b9054da93e11139d3dfe07f83e444e3022fc1;hp=0d569e6df401615998a6a2424c4982ae62e8c004;hpb=b05a8a8b1cc518973c30fdbed6a47d7d3ea9d7f0;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ibfr_eq.ma b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ibfr_eq.ma
index 0d569e6df..973a4570f 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ibfr_eq.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ibfr_eq.ma
@@ -23,8 +23,8 @@ include "delayed_updating/substitution/lift_prototerm_eq.ma".
 lemma ibfr_eq_canc_sn (t) (t1) (t2) (r):
       t ⇔ t1 → t ➡𝐢𝐛𝐟[r] t2 → t1 ➡𝐢𝐛𝐟[r] t2.
 #t #t1 #t2 #r #Ht1
-* #p #b #q #m #n #Hr#Hp #Hb #Hm #Hn #Ht #Ht2 destruct
-@(ex7_5_intro … Hp Hb Hm Hn) [ // ] -Hp -Hb -Hm -Hn
+* #p #b #q #m #n #Hr #Hb #Hm #Hn #Ht #Ht2 destruct
+@(ex6_5_intro … p … Hb Hm Hn) [ // ] -Hb -Hm -Hn
 [ /2 width=3 by subset_in_eq_repl_back/
 | /5 width=3 by subset_eq_canc_sn, fsubst_eq_repl, lift_term_eq_repl_dx, grafted_eq_repl/
 ]