X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpxs_aaa.ma;h=2266edbad699f2c606bb3107bc3042556f0dd3cc;hb=756e320c149ae141dffbf5d75202c8e46c4a49b9;hp=e3d5e8af189c8275cffa060332179dec62b4d7f1;hpb=e9f96fa56226dfd74de214c89d827de0c5018ac7;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_aaa.ma
index e3d5e8af1..2266edbad 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_aaa.ma
@@ -20,10 +20,10 @@ include "basic_2/computation/cpxs.ma".
 (* Properties about atomic arity assignment on terms ************************)
 
 lemma cpxs_aaa_conf: ∀h,o,G,L,T1,A. ⦃G, L⦄ ⊢ T1 ⁝ A →
-                     ∀T2. ⦃G, L⦄ ⊢ T1 ➡*[h, o] T2 → ⦃G, L⦄ ⊢ T2 ⁝ A.
+                     ∀T2. ⦃G, L⦄ ⊢ T1 ⬈*[h, o] T2 → ⦃G, L⦄ ⊢ T2 ⁝ A.
 #h #o #G #L #T1 #A #HT1 #T2 #HT12
 @(TC_Conf3 … HT1 ? HT12) -A -T1 -T2 /2 width=5 by cpx_aaa_conf/
 qed-.
 
-lemma cprs_aaa_conf: ∀G,L,T1,A. ⦃G, L⦄ ⊢ T1 ⁝ A → ∀T2. ⦃G, L⦄ ⊢ T1 ➡* T2 → ⦃G, L⦄ ⊢ T2 ⁝ A.
+lemma cprs_aaa_conf: ∀G,L,T1,A. ⦃G, L⦄ ⊢ T1 ⁝ A → ∀T2. ⦃G, L⦄ ⊢ T1 ⬈* T2 → ⦃G, L⦄ ⊢ T2 ⁝ A.
 /3 width=5 by cpxs_aaa_conf, cprs_cpxs/ qed-.