X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fetc%2Flpx%2Flpx_fquq.etc;h=a775683ddc1e91388b1ec131b5223d4c8ae0ab1c;hp=799808fc6378df79af2d847685f1fc159496f3d9;hb=54c9014b6657403c6e235c652176218e750d4b8a;hpb=c6305166703a17801bbd08a85fe93ef4abf8ff85 diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc/lpx/lpx_fquq.etc b/matita/matita/contribs/lambdadelta/basic_2/etc/lpx/lpx_fquq.etc index 799808fc6..a775683dd 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/etc/lpx/lpx_fquq.etc +++ b/matita/matita/contribs/lambdadelta/basic_2/etc/lpx/lpx_fquq.etc @@ -1,9 +1,7 @@ -(* Properties on supclosure *************************************************) - -lemma fqu_lpx_trans: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐ ⦃G2, L2, T2⦄ → - ∀K2. ⦃G2, L2⦄ ⊢ ➡[h, o] K2 → - ∃∃K1,T. ⦃G1, L1⦄ ⊢ ➡[h, o] K1 & ⦃G1, L1⦄ ⊢ T1 ➡[h, o] T & ⦃G1, K1, T⦄ ⊐ ⦃G2, K2, T2⦄. -#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 +lemma fqu_lpx_trans: ∀h,b,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐[b] ⦃G2, L2, T2⦄ → + ∀K2. ⦃G2, L2⦄ ⊢ ⬈[h] K2 → + ∃∃K1,T. ⦃G1, L1⦄ ⊢ ⬈[h] K1 & ⦃G1, L1⦄ ⊢ T1 ⬈[h] T & ⦃G1, K1, T⦄ ⊐[b] ⦃G2, K2, T2⦄. +#h #b #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 /3 width=5 by fqu_lref_O, fqu_pair_sn, fqu_flat_dx, lpx_pair, ex3_2_intro/ [ #a #I #G2 #L2 #V2 #T2 #X #H elim (lpx_inv_pair1 … H) -H #K2 #W2 #HLK2 #HVW2 #H destruct @@ -15,33 +13,10 @@ lemma fqu_lpx_trans: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐ ⦃G2, L2, T qed-. lemma fquq_lpx_trans: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮ ⦃G2, L2, T2⦄ → - ∀K2. ⦃G2, L2⦄ ⊢ ➡[h, o] K2 → - ∃∃K1,T. ⦃G1, L1⦄ ⊢ ➡[h, o] K1 & ⦃G1, L1⦄ ⊢ T1 ➡[h, o] T & ⦃G1, K1, T⦄ ⊐⸮ ⦃G2, K2, T2⦄. + ∀K2. ⦃G2, L2⦄ ⊢ ⬈[h, o] K2 → + ∃∃K1,T. ⦃G1, L1⦄ ⊢ ⬈[h, o] K1 & ⦃G1, L1⦄ ⊢ T1 ⬈[h, o] T & ⦃G1, K1, T⦄ ⊐⸮ ⦃G2, K2, T2⦄. #h #o #G1 #G2 #L1 #L2 #T1 #T2 #H #K2 #HLK2 elim (fquq_inv_gen … H) -H [ #HT12 elim (fqu_lpx_trans … HT12 … HLK2) /3 width=5 by fqu_fquq, ex3_2_intro/ | * #H1 #H2 #H3 destruct /2 width=5 by ex3_2_intro/ ] qed-. - -lemma lpx_fqu_trans: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐ ⦃G2, L2, T2⦄ → - ∀K1. ⦃G1, K1⦄ ⊢ ➡[h, o] L1 → - ∃∃K2,T. ⦃G1, K1⦄ ⊢ T1 ➡[h, o] T & ⦃G1, K1, T⦄ ⊐ ⦃G2, K2, T2⦄ & ⦃G2, K2⦄ ⊢ ➡[h, o] L2. -#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2 -/3 width=7 by fqu_pair_sn, fqu_bind_dx, fqu_flat_dx, lpx_pair, ex3_2_intro/ -[ #I #G1 #L1 #V1 #X #H elim (lpx_inv_pair2 … H) -H - #K1 #W1 #HKL1 #HWV1 #H destruct elim (lift_total V1 0 1) - /4 width=7 by cpx_delta, fqu_drop, drop_drop, ex3_2_intro/ -| #G #L1 #K1 #T1 #U1 #k #HLK1 #HTU1 #L0 #HL01 - elim (lpx_drop_trans_O1 … HL01 … HLK1) -L1 - /3 width=5 by fqu_drop, ex3_2_intro/ -] -qed-. - -lemma lpx_fquq_trans: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮ ⦃G2, L2, T2⦄ → - ∀K1. ⦃G1, K1⦄ ⊢ ➡[h, o] L1 → - ∃∃K2,T. ⦃G1, K1⦄ ⊢ T1 ➡[h, o] T & ⦃G1, K1, T⦄ ⊐⸮ ⦃G2, K2, T2⦄ & ⦃G2, K2⦄ ⊢ ➡[h, o] L2. -#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H #K1 #HKL1 elim (fquq_inv_gen … H) -H -[ #HT12 elim (lpx_fqu_trans … HT12 … HKL1) /3 width=5 by fqu_fquq, ex3_2_intro/ -| * #H1 #H2 #H3 destruct /2 width=5 by ex3_2_intro/ -] -qed-.