X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Freducibility%2Ftpr_tpr.ma;h=fcb2350e90b1bb53df99c1b352e83e7b99d52ea3;hb=cb38da6095e3af84131a3ebf47a9f252f34a804c;hp=fefd6023d9d55b7a67df03a49216f3473ddf12bf;hpb=a8c166f1e1baeeae04553058bd179420ada8bbe7;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/reducibility/tpr_tpr.ma b/matita/matita/contribs/lambda_delta/basic_2/reducibility/tpr_tpr.ma
index fefd6023d..fcb2350e9 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/reducibility/tpr_tpr.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/reducibility/tpr_tpr.ma
@@ -97,7 +97,7 @@ fact tpr_conf_flat_cast:
       ∃∃X. X1 ➡ X & X2 ➡ X
    ) →
    V0 ➡ V1 → T0 ➡ T1 → T0 ➡ X2 →
-   ∃∃X. ⓣV1. T1 ➡ X & X2 ➡ X.
+   ∃∃X. ⓝV1. T1 ➡ X & X2 ➡ X.
 #X2 #V0 #V1 #T0 #T1 #IH #_ #HT01 #HT02
 elim (IH … HT01 … HT02) -HT01 -HT02 -IH // /3 width=3/
 qed.
@@ -123,8 +123,8 @@ fact tpr_conf_delta_delta:
       ∃∃X. X1 ➡ X & X2 ➡ X
    ) →
    V0 ➡ V1 → V0 ➡ V2 → T0 ➡ T1 → T0 ➡ T2 →
-   ⋆. ⓑ{I1} V1 ⊢ T1 [O, 1] ▶ TT1 →
-   ⋆. ⓑ{I1} V2 ⊢ T2 [O, 1] ▶ TT2 →
+   ⋆. ⓑ{I1} V1 ⊢ T1 ▶ [O, 1] TT1 →
+   ⋆. ⓑ{I1} V2 ⊢ T2 ▶ [O, 1] TT2 →
    ∃∃X. ⓑ{I1} V1. TT1 ➡ X & ⓑ{I1} V2. TT2 ➡ X.
 #I1 #V0 #V1 #T0 #T1 #TT1 #V2 #T2 #TT2 #IH #HV01 #HV02 #HT01 #HT02 #HTT1 #HTT2
 elim (IH … HV01 … HV02) -HV01 -HV02 // #V #HV1 #HV2
@@ -141,7 +141,7 @@ fact tpr_conf_delta_zeta:
       ∀X1,X2. X0 ➡ X1 → X0 ➡ X2 →
       ∃∃X. X1 ➡ X & X2 ➡ X
    ) →
-   V0 ➡ V1 → T0 ➡ T1 → ⋆. ⓓV1 ⊢ T1 [O,1] ▶ TT1 →
+   V0 ➡ V1 → T0 ➡ T1 → ⋆. ⓓV1 ⊢ T1 ▶ [O,1] TT1 →
    T2 ➡ X2 → ⇧[O, 1] T2 ≡ T0 →
    ∃∃X. ⓓV1. TT1 ➡ X & X2 ➡ X.
 #X2 #V0 #V1 #T0 #T1 #TT1 #T2 #IH #_ #HT01 #HTT1 #HTX2 #HTT20