X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcprs_cprs.ma;h=aba142ab75dda014eb978f22628230ccae37d45d;hb=d8d00d6f6694155be5be486a8239f5953efe28b7;hp=069323fb4fa30d9a38c9d03b9fcb8de3f3f814c3;hpb=5b5dca0c118dfbe3ba8f0514ef07549544eb7810;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..aba142ab7 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
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "ground_2/xoa/ex_4_5.ma".
 include "basic_2/rt_computation/cpms_cpms.ma".
 include "basic_2/rt_computation/cprs_cpr.ma".
 
@@ -58,7 +59,7 @@ 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 *