update in delayed_updating and ground

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / reduction / ifr_unwind.ma

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 d3b567b72bdce9fdd5e0ab252b4033a2b3d90550..2e048c7a5842612865434c3e385ed34e7666ff62 100644 (file)
--- 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 *)
   | //