X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Funfold%2Fcpss_lift.ma;h=d41e0ac18c1993c2c55d666f5fe7e58688d4d5b0;hb=6d3e67a714d59ff5d0da7aff72323a6d2ac07db4;hp=616ea63c7d6426d571cccb05ba86da822645996b;hpb=28b55bc982671bad6514751c3a368b6cc6cbeec7;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/unfold/cpss_lift.ma b/matita/matita/contribs/lambdadelta/basic_2/unfold/cpss_lift.ma index 616ea63c7..d41e0ac18 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/unfold/cpss_lift.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/unfold/cpss_lift.ma @@ -19,49 +19,51 @@ include "basic_2/unfold/cpss.ma". (* Relocation properties ****************************************************) +(* Basic_1: was only: subst1_lift_lt subst1_lift_ge *) lemma cpss_lift: l_liftable cpss. #K #T1 #T2 #H elim H -K -T1 -T2 -[ #K #I #L #d #e #_ #U1 #H1 #U2 #H2 +[ #I #K #L #d #e #_ #U1 #H1 #U2 #H2 >(lift_mono … H1 … H2) -H1 -H2 // | #K #KV #V #V2 #W2 #i #HKV #HV2 #HVW2 #IHV2 #L #d #e #HLK #U1 #H #U2 #HWU2 elim (lift_inv_lref1 … H) * #Hid #H destruct - [ elim (lift_trans_ge … HVW2 … HWU2 ?) -W2 // plus_plus_comm_23 #HVU2 lapply (ldrop_trans_ge_comm … HLK … HKV ?) -K // -Hid /3 width=6/ ] -| #K #a #I #V1 #V2 #T1 #T2 #_ #_ #IHV12 #IHT12 #L #d #e #HLK #U1 #H1 #U2 #H2 +| #a #I #K #V1 #V2 #T1 #T2 #_ #_ #IHV12 #IHT12 #L #d #e #HLK #U1 #H1 #U2 #H2 elim (lift_inv_bind1 … H1) -H1 #VV1 #TT1 #HVV1 #HTT1 #H1 destruct elim (lift_inv_bind1 … H2) -H2 #VV2 #TT2 #HVV2 #HTT2 #H2 destruct /4 width=5/ -| #K #I #V1 #V2 #T1 #T2 #_ #_ #IHV12 #IHT12 #L #d #e #HLK #U1 #H1 #U2 #H2 +| #I #K #V1 #V2 #T1 #T2 #_ #_ #IHV12 #IHT12 #L #d #e #HLK #U1 #H1 #U2 #H2 elim (lift_inv_flat1 … H1) -H1 #VV1 #TT1 #HVV1 #HTT1 #H1 destruct elim (lift_inv_flat1 … H2) -H2 #VV2 #TT2 #HVV2 #HTT2 #H2 destruct /3 width=6/ ] qed. +(* Basic_1: was only: subst1_gen_lift_lt subst1_gen_lift_ge *) lemma cpss_inv_lift1: l_deliftable_sn cpss. #L #U1 #U2 #H elim H -L -U1 -U2 -[ #L * #i #K #d #e #_ #T1 #H +[ * #L #i #K #d #e #_ #T1 #H [ lapply (lift_inv_sort2 … H) -H #H destruct /2 width=3/ | elim (lift_inv_lref2 … H) -H * #Hid #H destruct /3 width=3/ | lapply (lift_inv_gref2 … H) -H #H destruct /2 width=3/ ] | #L #LV #V #V2 #W2 #i #HLV #HV2 #HVW2 #IHV2 #K #d #e #HLK #T1 #H elim (lift_inv_lref2 … H) -H * #Hid #H destruct - [ elim (ldrop_conf_lt … HLK … HLV ?) -L // #L #U #HKL #HLV #HUV + [ elim (ldrop_conf_lt … HLK … HLV) -L // #L #U #HKL #HLV #HUV elim (IHV2 … HLV … HUV) -V #U2 #HUV2 #HU2 - elim (lift_trans_le … HUV2 … HVW2 ?) -V2 // >minus_plus minus_plus plus_minus //