update in delayed_updating and ground

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

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_ifr.ma b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_ifr.ma
index d6406712348cafc4231772c3fde79e8bc2471e76..c07a3d26a96d7c445cd8c4286c41ad953975511a 100644 (file)
--- a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_ifr.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_ifr.ma
@@ -57,7 +57,7 @@ theorem dfr_des_ifr (f) (t1) (t2) (r): t1 ϵ 𝐓 →
     @(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 *)
   | //