X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Freduction%2Fifr_unwind.ma;h=2e048c7a5842612865434c3e385ed34e7666ff62;hp=d3b567b72bdce9fdd5e0ab252b4033a2b3d90550;hb=d06053844638d88936d711b66fddbcca2a9add1c;hpb=9e31ac1f3f868349154b0ce2e550e2476aaf6a30

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr_unwind.ma b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr_unwind.ma
index d3b567b72..2e048c7a5 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr_unwind.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr_unwind.ma
@@ -55,7 +55,7 @@ lemma ifr_unwind_bi (f) (t1) (t2) (r):
     @(stream_eq_trans … (tr_compose_uni_dx_pap …)) <tr_pap_succ_nap
     @tr_compose_eq_repl
     [ <unwind2_rmap_append_closed_Lq_dx_nap_depth //
-    | /2 width=1 by tls_succ_unwind2_rmap_append_closed_Lq_dx/
+    | /2 width=2 by tls_succ_unwind2_rmap_append_closed_Lq_dx/
     ]
 (* Note: crux of the proof ends *)
   | //