X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcprs_cprs.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcprs_cprs.ma;h=3fa433c0f4de4dcd5a5017a21ba5a3ee7b5a6438;hb=67fe9cec87e129a2a41c75d7ed8456a6f3314421;hp=069323fb4fa30d9a38c9d03b9fcb8de3f3f814c3;hpb=86861e6f031df66824a381527dfe847029ff72bc;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cprs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cprs.ma
index 069323fb4..3fa433c0f 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cprs.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_cprs.ma
@@ -58,7 +58,7 @@ lemma cprs_inv_appl_sn (h) (G) (L):
                                          X2 = ⓐV2. T2
                         | ∃∃p,W,T.       ⦃G,L⦄ ⊢ T1 ➡*[h] ⓛ{p}W.T &
                                          ⦃G,L⦄ ⊢ ⓓ{p}ⓝW.V1.T ➡*[h] X2
-                        | ∃∃p,V0,V2,V,T. ⦃G,L⦄ ⊢ V1 ➡*[h] V0 & ⬆*[1] V0 ≘ V2 &
+                        | ∃∃p,V0,V2,V,T. ⦃G,L⦄ ⊢ V1 ➡*[h] V0 & ⇧*[1] V0 ≘ V2 &
                                          ⦃G,L⦄ ⊢ T1 ➡*[h] ⓓ{p}V.T &
                                          ⦃G,L⦄ ⊢ ⓓ{p}V.ⓐV2.T ➡*[h] X2.
 #h #G #L #V1 #T1 #X2 #H elim (cpms_inv_appl_sn … H) -H *