X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Freduction%2Flpr_ldrop.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Freduction%2Flpr_ldrop.ma;h=120e5e60efa03d3d447f3396908e84106ae7ab79;hb=29973426e0227ee48368d1c24dc0c17bf2baef77;hp=fd7b613d6c62911fe70affb6732d045e3f9f7fe6;hpb=f95f6cb21b86f3dad114b21f687aa5df36088064;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/lpr_ldrop.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/lpr_ldrop.ma index fd7b613d6..120e5e60e 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/reduction/lpr_ldrop.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/lpr_ldrop.ma @@ -35,7 +35,7 @@ lemma lpr_ldrop_trans_O1: dropable_dx lpr. (* Properties on context-sensitive parallel reduction for terms *************) lemma fsup_cpr_trans: ∀L1,L2,T1,T2. ⦃L1, T1⦄ ⊃ ⦃L2, T2⦄ → ∀U2. L2 ⊢ T2 ➡ U2 → - ∃∃L,U1. L1 ⊢ ➡ L & L ⊢ T1 ➡ U1 & ⦃L, U1⦄ ⊃ ⦃L2, U2⦄. + ∃∃L,U1. L1 ⊢ ➡ L & ⦃G, L⦄ ⊢ T1 ➡ U1 & ⦃L, U1⦄ ⊃ ⦃L2, U2⦄. #L1 #L2 #T1 #T2 #H elim H -L1 -L2 -T1 -T2 [1,2,3,4,5: /3 width=5/ ] [ #L #K #U #T #d #e #HLK #HUT #He #U2 #HU2 elim (lift_total U2 d e) #T2 #HUT2