X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Funfold%2Fltpss_tpss.ma;fp=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Funfold%2Fltpss_tpss.ma;h=0a49ef84902aebe7d7a85532ad7922babccbd761;hb=83fcc60ebb369516f291209925ffa42ba64e24f9;hp=2b1b8377c2f5c128f871e87917b1a9eeb2a7872c;hpb=1bb7e6b001ef3d712a9da6fbad0405b130e9f819;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/unfold/ltpss_tpss.ma b/matita/matita/contribs/lambda_delta/basic_2/unfold/ltpss_tpss.ma
index 2b1b8377c..0a49ef849 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/unfold/ltpss_tpss.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/unfold/ltpss_tpss.ma
@@ -100,39 +100,3 @@ lemma ltpss_tps_trans: ∀L0,T2,U2,d2,e2. L0 ⊢ T2 [d2, e2] ▶ U2 →
   elim (IHTU2 … HL10) -IHTU2 -HL10 /3 width=5/
 ]
 qed.
-
-fact ltpss_tps_trans_eq_aux: ∀Y1,X2,L1,T2,U2,d,e.
-                             L1 ⊢ T2 [d, e] ▶ U2 → ∀L0. L0 [d, e] ▶* L1 →
-                             Y1 = L1 → X2 = T2 → L0 ⊢ T2 [d, e] ▶* U2.
-#Y1 #X2 @(cw_wf_ind … Y1 X2) -Y1 -X2 #Y1 #X2 #IH
-#L1 #T2 #U2 #d #e * -L1 -T2 -U2 -d -e
-[ //
-| #L1 #K1 #V1 #W1 #i #d #e #Hdi #Hide #HLK1 #HVW1 #L0 #HL10 #H1 #H2 destruct
-  lapply (ldrop_fwd_lw … HLK1) #H1 normalize in H1;
-  elim (ltpss_ldrop_trans_be … HL10 … HLK1 ? ?) -HL10 -HLK1 // /2 width=2/ #X #H #HLK0
-  elim (ltpss_inv_tpss22 … H ?) -H /2 width=1/ #K0 #V0 #HK01 #HV01 #H destruct
-  lapply (tpss_fwd_tw … HV01) #H2
-  lapply (transitive_le (#[K1] + #[V0]) … H1) -H1 /2 width=1/ -H2 #H
-  lapply (IH … HV01 … HK01 ? ?) -IH -HV01 -HK01
-  [1,3: // |2,4: skip | normalize /2 width=1/ | /3 width=6/ ]
-| #L #I #V1 #V2 #T1 #T2 #d #e #HV12 #HT12 #L0 #HL0 #H1 #H2 destruct
-  lapply (tps_lsubs_conf … HT12 (L. ⓑ{I} V1) ?) -HT12 /2 width=1/ #HT12
-  lapply (IH … HV12 … HL0 ? ?) -HV12 [1,3: // |2,4: skip |5: /2 width=2/ ] #HV12
-  lapply (IH … HT12 (L0. ⓑ{I} V1) ? ? ?) -IH -HT12 [1,3,5: /2 width=2/ |2,4: skip | normalize // ] -HL0 #HT12
-  lapply (tpss_lsubs_conf … HT12 (L0. ⓑ{I} V2) ?) -HT12 /2 width=1/
-| #L #I #V1 #V2 #T1 #T2 #d #e #HV12 #HT12 #L0 #HL0 #H1 #H2 destruct
-  lapply (IH … HV12 … HL0 ? ?) -HV12 [1,3: // |2,4: skip |5: /2 width=3/ ]
-  lapply (IH … HT12 … HL0 ? ?) -IH -HT12 [1,3,5: normalize // |2,4: skip ] -HL0 /2 width=1/
-]
-qed.
-
-lemma ltps_tps_trans_eq: ∀L1,T2,U2,d,e. L1 ⊢ T2 [d, e] ▶ U2 →
-                         ∀L0. L0 [d, e] ▶ L1 → L0 ⊢ T2 [d, e] ▶* U2.
-/2 width=5/ qed.
-
-lemma ltps_tpss_trans_eq: ∀L0,L1,T2,U2,d,e. L0 [d, e] ▶ L1 →
-                          L1 ⊢ T2 [d, e] ▶* U2 → L0 ⊢ T2 [d, e] ▶* U2.
-#L0 #L1 #T2 #U2 #d #e #HL01 #H @(tpss_ind … H) -U2 //
-#U #U2 #_ #HU2 #IHU @(tpss_trans_eq … IHU) /2 width=3/
-qed.
-*)