X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Flsubsv.ma;h=61f62965f1d6821c02b8ed9f3b2f79d5085b9909;hb=c60524dec7ace912c416a90d6b926bee8553250b;hp=18a49d6bfee7afa8729c441373c59b16cb979c61;hpb=f10cfe417b6b8ec1c7ac85c6ecf5fb1b3fdf37db;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv.ma index 18a49d6bf..61f62965f 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv.ma @@ -22,8 +22,8 @@ inductive lsubsv (h) (g) (G): relation lenv ≝ | lsubsv_atom: lsubsv h g G (⋆) (⋆) | lsubsv_pair: ∀I,L1,L2,V. lsubsv h g G L1 L2 → lsubsv h g G (L1.ⓑ{I}V) (L2.ⓑ{I}V) -| lsubsv_beta: ∀L1,L2,W,V,l1. ⦃G, L1⦄ ⊢ ⓝW.V ¡[h, g, l1] → ⦃G, L2⦄ ⊢ W ¡[h, g] → - ⦃G, L1⦄ ⊢ V ▪[h, g] l1+1 → ⦃G, L2⦄ ⊢ W ▪[h, g] l1 → +| lsubsv_beta: ∀L1,L2,W,V,d1. ⦃G, L1⦄ ⊢ ⓝW.V ¡[h, g, d1] → ⦃G, L2⦄ ⊢ W ¡[h, g] → + ⦃G, L1⦄ ⊢ V ▪[h, g] d1+1 → ⦃G, L2⦄ ⊢ W ▪[h, g] d1 → lsubsv h g G L1 L2 → lsubsv h g G (L1.ⓓⓝW.V) (L2.ⓛW) . @@ -37,7 +37,7 @@ fact lsubsv_inv_atom1_aux: ∀h,g,G,L1,L2. G ⊢ L1 ⫃¡[h, g] L2 → L1 = ⋆ #h #g #G #L1 #L2 * -L1 -L2 [ // | #I #L1 #L2 #V #_ #H destruct -| #L1 #L2 #W #V #l1 #_ #_ #_ #_ #_ #H destruct +| #L1 #L2 #W #V #d1 #_ #_ #_ #_ #_ #H destruct ] qed-. @@ -47,21 +47,21 @@ lemma lsubsv_inv_atom1: ∀h,g,G,L2. G ⊢ ⋆ ⫃¡[h, g] L2 → L2 = ⋆. fact lsubsv_inv_pair1_aux: ∀h,g,G,L1,L2. G ⊢ L1 ⫃¡[h, g] L2 → ∀I,K1,X. L1 = K1.ⓑ{I}X → (∃∃K2. G ⊢ K1 ⫃¡[h, g] K2 & L2 = K2.ⓑ{I}X) ∨ - ∃∃K2,W,V,l1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, l1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & - ⦃G, K1⦄ ⊢ V ▪[h, g] l1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] l1 & + ∃∃K2,W,V,d1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, d1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & + ⦃G, K1⦄ ⊢ V ▪[h, g] d1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] d1 & G ⊢ K1 ⫃¡[h, g] K2 & I = Abbr & L2 = K2.ⓛW & X = ⓝW.V. #h #g #G #L1 #L2 * -L1 -L2 [ #J #K1 #X #H destruct | #I #L1 #L2 #V #HL12 #J #K1 #X #H destruct /3 width=3 by ex2_intro, or_introl/ -| #L1 #L2 #W #V #l1 #HWV #HW #HVl1 #HWl1 #HL12 #J #K1 #X #H destruct /3 width=11 by or_intror, ex8_4_intro/ +| #L1 #L2 #W #V #d1 #HWV #HW #HVd1 #HWd1 #HL12 #J #K1 #X #H destruct /3 width=11 by or_intror, ex8_4_intro/ ] qed-. lemma lsubsv_inv_pair1: ∀h,g,I,G,K1,L2,X. G ⊢ K1.ⓑ{I}X ⫃¡[h, g] L2 → (∃∃K2. G ⊢ K1 ⫃¡[h, g] K2 & L2 = K2.ⓑ{I}X) ∨ - ∃∃K2,W,V,l1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, l1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & - ⦃G, K1⦄ ⊢ V ▪[h, g] l1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] l1 & + ∃∃K2,W,V,d1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, d1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & + ⦃G, K1⦄ ⊢ V ▪[h, g] d1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] d1 & G ⊢ K1 ⫃¡[h, g] K2 & I = Abbr & L2 = K2.ⓛW & X = ⓝW.V. /2 width=3 by lsubsv_inv_pair1_aux/ qed-. @@ -70,7 +70,7 @@ fact lsubsv_inv_atom2_aux: ∀h,g,G,L1,L2. G ⊢ L1 ⫃¡[h, g] L2 → L2 = ⋆ #h #g #G #L1 #L2 * -L1 -L2 [ // | #I #L1 #L2 #V #_ #H destruct -| #L1 #L2 #W #V #l1 #_ #_ #_ #_ #_ #H destruct +| #L1 #L2 #W #V #d1 #_ #_ #_ #_ #_ #H destruct ] qed-. @@ -80,20 +80,20 @@ lemma lsubsv_inv_atom2: ∀h,g,G,L1. G ⊢ L1 ⫃¡[h, g] ⋆ → L1 = ⋆. fact lsubsv_inv_pair2_aux: ∀h,g,G,L1,L2. G ⊢ L1 ⫃¡[h, g] L2 → ∀I,K2,W. L2 = K2.ⓑ{I}W → (∃∃K1. G ⊢ K1 ⫃¡[h, g] K2 & L1 = K1.ⓑ{I}W) ∨ - ∃∃K1,V,l1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, l1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & - ⦃G, K1⦄ ⊢ V ▪[h, g] l1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] l1 & + ∃∃K1,V,d1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, d1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & + ⦃G, K1⦄ ⊢ V ▪[h, g] d1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] d1 & G ⊢ K1 ⫃¡[h, g] K2 & I = Abst & L1 = K1.ⓓⓝW.V. #h #g #G #L1 #L2 * -L1 -L2 [ #J #K2 #U #H destruct | #I #L1 #L2 #V #HL12 #J #K2 #U #H destruct /3 width=3 by ex2_intro, or_introl/ -| #L1 #L2 #W #V #l1 #HWV #HW #HVl1 #HWl1 #HL12 #J #K2 #U #H destruct /3 width=8 by or_intror, ex7_3_intro/ +| #L1 #L2 #W #V #d1 #HWV #HW #HVd1 #HWd1 #HL12 #J #K2 #U #H destruct /3 width=8 by or_intror, ex7_3_intro/ ] qed-. lemma lsubsv_inv_pair2: ∀h,g,I,G,L1,K2,W. G ⊢ L1 ⫃¡[h, g] K2.ⓑ{I}W → (∃∃K1. G ⊢ K1 ⫃¡[h, g] K2 & L1 = K1.ⓑ{I}W) ∨ - ∃∃K1,V,l1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, l1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & - ⦃G, K1⦄ ⊢ V ▪[h, g] l1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] l1 & + ∃∃K1,V,d1. ⦃G, K1⦄ ⊢ ⓝW.V ¡[h, g, d1] & ⦃G, K2⦄ ⊢ W ¡[h, g] & + ⦃G, K1⦄ ⊢ V ▪[h, g] d1+1 & ⦃G, K2⦄ ⊢ W ▪[h, g] d1 & G ⊢ K1 ⫃¡[h, g] K2 & I = Abst & L1 = K1.ⓓⓝW.V. /2 width=3 by lsubsv_inv_pair2_aux/ qed-. @@ -116,19 +116,19 @@ qed-. (* Note: the constant 0 cannot be generalized *) lemma lsubsv_drop_O1_conf: ∀h,g,G,L1,L2. G ⊢ L1 ⫃¡[h, g] L2 → - ∀K1,s,e. ⬇[s, 0, e] L1 ≡ K1 → - ∃∃K2. G ⊢ K1 ⫃¡[h, g] K2 & ⬇[s, 0, e] L2 ≡ K2. + ∀K1,s,m. ⬇[s, 0, m] L1 ≡ K1 → + ∃∃K2. G ⊢ K1 ⫃¡[h, g] K2 & ⬇[s, 0, m] L2 ≡ K2. #h #g #G #L1 #L2 #H elim H -L1 -L2 [ /2 width=3 by ex2_intro/ -| #I #L1 #L2 #V #_ #IHL12 #K1 #s #e #H - elim (drop_inv_O1_pair1 … H) -H * #He #HLK1 +| #I #L1 #L2 #V #_ #IHL12 #K1 #s #m #H + elim (drop_inv_O1_pair1 … H) -H * #Hm #HLK1 [ destruct elim (IHL12 L1 s 0) -IHL12 // #X #HL12 #H <(drop_inv_O2 … H) in HL12; -H /3 width=3 by lsubsv_pair, drop_pair, ex2_intro/ | elim (IHL12 … HLK1) -L1 /3 width=3 by drop_drop_lt, ex2_intro/ ] -| #L1 #L2 #W #V #l1 #HWV #HW #HVl1 #HWl1 #_ #IHL12 #K1 #s #e #H - elim (drop_inv_O1_pair1 … H) -H * #He #HLK1 +| #L1 #L2 #W #V #d1 #HWV #HW #HVd1 #HWd1 #_ #IHL12 #K1 #s #m #H + elim (drop_inv_O1_pair1 … H) -H * #Hm #HLK1 [ destruct elim (IHL12 L1 s 0) -IHL12 // #X #HL12 #H <(drop_inv_O2 … H) in HL12; -H /3 width=4 by lsubsv_beta, drop_pair, ex2_intro/ @@ -139,19 +139,19 @@ qed-. (* Note: the constant 0 cannot be generalized *) lemma lsubsv_drop_O1_trans: ∀h,g,G,L1,L2. G ⊢ L1 ⫃¡[h, g] L2 → - ∀K2,s, e. ⬇[s, 0, e] L2 ≡ K2 → - ∃∃K1. G ⊢ K1 ⫃¡[h, g] K2 & ⬇[s, 0, e] L1 ≡ K1. + ∀K2,s, m. ⬇[s, 0, m] L2 ≡ K2 → + ∃∃K1. G ⊢ K1 ⫃¡[h, g] K2 & ⬇[s, 0, m] L1 ≡ K1. #h #g #G #L1 #L2 #H elim H -L1 -L2 [ /2 width=3 by ex2_intro/ -| #I #L1 #L2 #V #_ #IHL12 #K2 #s #e #H - elim (drop_inv_O1_pair1 … H) -H * #He #HLK2 +| #I #L1 #L2 #V #_ #IHL12 #K2 #s #m #H + elim (drop_inv_O1_pair1 … H) -H * #Hm #HLK2 [ destruct elim (IHL12 L2 s 0) -IHL12 // #X #HL12 #H <(drop_inv_O2 … H) in HL12; -H /3 width=3 by lsubsv_pair, drop_pair, ex2_intro/ | elim (IHL12 … HLK2) -L2 /3 width=3 by drop_drop_lt, ex2_intro/ ] -| #L1 #L2 #W #V #l1 #HWV #HW #HVl1 #HWl1 #_ #IHL12 #K2 #s #e #H - elim (drop_inv_O1_pair1 … H) -H * #He #HLK2 +| #L1 #L2 #W #V #d1 #HWV #HW #HVd1 #HWd1 #_ #IHL12 #K2 #s #m #H + elim (drop_inv_O1_pair1 … H) -H * #Hm #HLK2 [ destruct elim (IHL12 L2 s 0) -IHL12 // #X #HL12 #H <(drop_inv_O2 … H) in HL12; -H /3 width=4 by lsubsv_beta, drop_pair, ex2_intro/