X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpx.ma;h=fab42da8d64519aa40e03335ab7e0b23931c5664;hp=37fe4e7c5e3b05c5a6d7e8ea2fd90978b502d3c4;hb=25c634037771dff0138e5e8e3d4378183ff49b86;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx.ma index 37fe4e7c5..fab42da8d 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx.ma @@ -38,13 +38,13 @@ lemma cpx_ess: ∀h,G,L,s. ❪G,L❫ ⊢ ⋆s ⬈[h] ⋆(⫯[h]s). /2 width=2 by cpg_ess, ex_intro/ qed. lemma cpx_delta: ∀h,I,G,K,V1,V2,W2. ❪G,K❫ ⊢ V1 ⬈[h] V2 → - ⇧*[1] V2 ≘ W2 → ❪G,K.ⓑ[I]V1❫ ⊢ #0 ⬈[h] W2. + ⇧[1] V2 ≘ W2 → ❪G,K.ⓑ[I]V1❫ ⊢ #0 ⬈[h] W2. #h * #G #K #V1 #V2 #W2 * /3 width=4 by cpg_delta, cpg_ell, ex_intro/ qed. lemma cpx_lref: ∀h,I,G,K,T,U,i. ❪G,K❫ ⊢ #i ⬈[h] T → - ⇧*[1] T ≘ U → ❪G,K.ⓘ[I]❫ ⊢ #↑i ⬈[h] U. + ⇧[1] T ≘ U → ❪G,K.ⓘ[I]❫ ⊢ #↑i ⬈[h] U. #h #I #G #K #T #U #i * /3 width=4 by cpg_lref, ex_intro/ qed. @@ -64,7 +64,7 @@ lemma cpx_flat: ∀h,I,G,L,V1,V2,T1,T2. qed. lemma cpx_zeta (h) (G) (L): - ∀T1,T. ⇧*[1] T ≘ T1 → ∀T2. ❪G,L❫ ⊢ T ⬈[h] T2 → + ∀T1,T. ⇧[1] T ≘ T1 → ∀T2. ❪G,L❫ ⊢ T ⬈[h] T2 → ∀V. ❪G,L❫ ⊢ +ⓓV.T1 ⬈[h] T2. #h #G #L #T1 #T #HT1 #T2 * /3 width=4 by cpg_zeta, ex_intro/ @@ -89,7 +89,7 @@ lemma cpx_beta: ∀h,p,G,L,V1,V2,W1,W2,T1,T2. qed. lemma cpx_theta: ∀h,p,G,L,V1,V,V2,W1,W2,T1,T2. - ❪G,L❫ ⊢ V1 ⬈[h] V → ⇧*[1] V ≘ V2 → ❪G,L❫ ⊢ W1 ⬈[h] W2 → + ❪G,L❫ ⊢ V1 ⬈[h] V → ⇧[1] V ≘ V2 → ❪G,L❫ ⊢ W1 ⬈[h] W2 → ❪G,L.ⓓW1❫ ⊢ T1 ⬈[h] T2 → ❪G,L❫ ⊢ ⓐV1.ⓓ[p]W1.T1 ⬈[h] ⓓ[p]W2.ⓐV2.T2. #h #p #G #L #V1 #V #V2 #W1 #W2 #T1 #T2 * #cV #HV1 #HV2 * #cW #HW12 * @@ -118,9 +118,9 @@ qed. lemma cpx_inv_atom1: ∀h,J,G,L,T2. ❪G,L❫ ⊢ ⓪[J] ⬈[h] T2 → ∨∨ T2 = ⓪[J] | ∃∃s. T2 = ⋆(⫯[h]s) & J = Sort s - | ∃∃I,K,V1,V2. ❪G,K❫ ⊢ V1 ⬈[h] V2 & ⇧*[1] V2 ≘ T2 & + | ∃∃I,K,V1,V2. ❪G,K❫ ⊢ V1 ⬈[h] V2 & ⇧[1] V2 ≘ T2 & L = K.ⓑ[I]V1 & J = LRef 0 - | ∃∃I,K,T,i. ❪G,K❫ ⊢ #i ⬈[h] T & ⇧*[1] T ≘ T2 & + | ∃∃I,K,T,i. ❪G,K❫ ⊢ #i ⬈[h] T & ⇧[1] T ≘ T2 & L = K.ⓘ[I] & J = LRef (↑i). #h #J #G #L #T2 * #c #H elim (cpg_inv_atom1 … H) -H * /4 width=8 by or4_intro0, or4_intro1, or4_intro2, or4_intro3, ex4_4_intro, ex2_intro, ex_intro/ @@ -134,7 +134,7 @@ qed-. lemma cpx_inv_zero1: ∀h,G,L,T2. ❪G,L❫ ⊢ #0 ⬈[h] T2 → ∨∨ T2 = #0 - | ∃∃I,K,V1,V2. ❪G,K❫ ⊢ V1 ⬈[h] V2 & ⇧*[1] V2 ≘ T2 & + | ∃∃I,K,V1,V2. ❪G,K❫ ⊢ V1 ⬈[h] V2 & ⇧[1] V2 ≘ T2 & L = K.ⓑ[I]V1. #h #G #L #T2 * #c #H elim (cpg_inv_zero1 … H) -H * /4 width=7 by ex3_4_intro, ex_intro, or_introl, or_intror/ @@ -142,7 +142,7 @@ qed-. lemma cpx_inv_lref1: ∀h,G,L,T2,i. ❪G,L❫ ⊢ #↑i ⬈[h] T2 → ∨∨ T2 = #(↑i) - | ∃∃I,K,T. ❪G,K❫ ⊢ #i ⬈[h] T & ⇧*[1] T ≘ T2 & L = K.ⓘ[I]. + | ∃∃I,K,T. ❪G,K❫ ⊢ #i ⬈[h] T & ⇧[1] T ≘ T2 & L = K.ⓘ[I]. #h #G #L #T2 #i * #c #H elim (cpg_inv_lref1 … H) -H * /4 width=6 by ex3_3_intro, ex_intro, or_introl, or_intror/ qed-. @@ -154,7 +154,7 @@ qed-. lemma cpx_inv_bind1: ∀h,p,I,G,L,V1,T1,U2. ❪G,L❫ ⊢ ⓑ[p,I]V1.T1 ⬈[h] U2 → ∨∨ ∃∃V2,T2. ❪G,L❫ ⊢ V1 ⬈[h] V2 & ❪G,L.ⓑ[I]V1❫ ⊢ T1 ⬈[h] T2 & U2 = ⓑ[p,I]V2.T2 - | ∃∃T. ⇧*[1] T ≘ T1 & ❪G,L❫ ⊢ T ⬈[h] U2 & + | ∃∃T. ⇧[1] T ≘ T1 & ❪G,L❫ ⊢ T ⬈[h] U2 & p = true & I = Abbr. #h #p #I #G #L #V1 #T1 #U2 * #c #H elim (cpg_inv_bind1 … H) -H * /4 width=5 by ex4_intro, ex3_2_intro, ex_intro, or_introl, or_intror/ @@ -163,7 +163,7 @@ qed-. lemma cpx_inv_abbr1: ∀h,p,G,L,V1,T1,U2. ❪G,L❫ ⊢ ⓓ[p]V1.T1 ⬈[h] U2 → ∨∨ ∃∃V2,T2. ❪G,L❫ ⊢ V1 ⬈[h] V2 & ❪G,L.ⓓV1❫ ⊢ T1 ⬈[h] T2 & U2 = ⓓ[p]V2.T2 - | ∃∃T. ⇧*[1] T ≘ T1 & ❪G,L❫ ⊢ T ⬈[h] U2 & p = true. + | ∃∃T. ⇧[1] T ≘ T1 & ❪G,L❫ ⊢ T ⬈[h] U2 & p = true. #h #p #G #L #V1 #T1 #U2 * #c #H elim (cpg_inv_abbr1 … H) -H * /4 width=5 by ex3_2_intro, ex3_intro, ex_intro, or_introl, or_intror/ qed-. @@ -181,7 +181,7 @@ lemma cpx_inv_appl1: ∀h,G,L,V1,U1,U2. ❪G,L❫ ⊢ ⓐ V1.U1 ⬈[h] U2 → | ∃∃p,V2,W1,W2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V2 & ❪G,L❫ ⊢ W1 ⬈[h] W2 & ❪G,L.ⓛW1❫ ⊢ T1 ⬈[h] T2 & U1 = ⓛ[p]W1.T1 & U2 = ⓓ[p]ⓝW2.V2.T2 - | ∃∃p,V,V2,W1,W2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V & ⇧*[1] V ≘ V2 & + | ∃∃p,V,V2,W1,W2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V & ⇧[1] V ≘ V2 & ❪G,L❫ ⊢ W1 ⬈[h] W2 & ❪G,L.ⓓW1❫ ⊢ T1 ⬈[h] T2 & U1 = ⓓ[p]W1.T1 & U2 = ⓓ[p]W2.ⓐV2.T2. #h #G #L #V1 #U1 #U2 * #c #H elim (cpg_inv_appl1 … H) -H * @@ -201,14 +201,14 @@ qed-. lemma cpx_inv_zero1_pair: ∀h,I,G,K,V1,T2. ❪G,K.ⓑ[I]V1❫ ⊢ #0 ⬈[h] T2 → ∨∨ T2 = #0 - | ∃∃V2. ❪G,K❫ ⊢ V1 ⬈[h] V2 & ⇧*[1] V2 ≘ T2. + | ∃∃V2. ❪G,K❫ ⊢ V1 ⬈[h] V2 & ⇧[1] V2 ≘ T2. #h #I #G #L #V1 #T2 * #c #H elim (cpg_inv_zero1_pair … H) -H * /4 width=3 by ex2_intro, ex_intro, or_intror, or_introl/ qed-. lemma cpx_inv_lref1_bind: ∀h,I,G,K,T2,i. ❪G,K.ⓘ[I]❫ ⊢ #↑i ⬈[h] T2 → ∨∨ T2 = #(↑i) - | ∃∃T. ❪G,K❫ ⊢ #i ⬈[h] T & ⇧*[1] T ≘ T2. + | ∃∃T. ❪G,K❫ ⊢ #i ⬈[h] T & ⇧[1] T ≘ T2. #h #I #G #L #T2 #i * #c #H elim (cpg_inv_lref1_bind … H) -H * /4 width=3 by ex2_intro, ex_intro, or_introl, or_intror/ qed-. @@ -222,7 +222,7 @@ lemma cpx_inv_flat1: ∀h,I,G,L,V1,U1,U2. ❪G,L❫ ⊢ ⓕ[I]V1.U1 ⬈[h] U2 ❪G,L.ⓛW1❫ ⊢ T1 ⬈[h] T2 & U1 = ⓛ[p]W1.T1 & U2 = ⓓ[p]ⓝW2.V2.T2 & I = Appl - | ∃∃p,V,V2,W1,W2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V & ⇧*[1] V ≘ V2 & + | ∃∃p,V,V2,W1,W2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V & ⇧[1] V ≘ V2 & ❪G,L❫ ⊢ W1 ⬈[h] W2 & ❪G,L.ⓓW1❫ ⊢ T1 ⬈[h] T2 & U1 = ⓓ[p]W1.T1 & U2 = ⓓ[p]W2.ⓐV2.T2 & I = Appl. @@ -249,14 +249,14 @@ lemma cpx_ind: ∀h. ∀Q:relation4 genv lenv term term. (∀I,G,L. Q G L (⓪[I]) (⓪[I])) → (∀G,L,s. Q G L (⋆s) (⋆(⫯[h]s))) → (∀I,G,K,V1,V2,W2. ❪G,K❫ ⊢ V1 ⬈[h] V2 → Q G K V1 V2 → - ⇧*[1] V2 ≘ W2 → Q G (K.ⓑ[I]V1) (#0) W2 + ⇧[1] V2 ≘ W2 → Q G (K.ⓑ[I]V1) (#0) W2 ) → (∀I,G,K,T,U,i. ❪G,K❫ ⊢ #i ⬈[h] T → Q G K (#i) T → - ⇧*[1] T ≘ U → Q G (K.ⓘ[I]) (#↑i) (U) + ⇧[1] T ≘ U → Q G (K.ⓘ[I]) (#↑i) (U) ) → (∀p,I,G,L,V1,V2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V2 → ❪G,L.ⓑ[I]V1❫ ⊢ T1 ⬈[h] T2 → Q G L V1 V2 → Q G (L.ⓑ[I]V1) T1 T2 → Q G L (ⓑ[p,I]V1.T1) (ⓑ[p,I]V2.T2) ) → (∀I,G,L,V1,V2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V2 → ❪G,L❫ ⊢ T1 ⬈[h] T2 → Q G L V1 V2 → Q G L T1 T2 → Q G L (ⓕ[I]V1.T1) (ⓕ[I]V2.T2) - ) → (∀G,L,V,T1,T,T2. ⇧*[1] T ≘ T1 → ❪G,L❫ ⊢ T ⬈[h] T2 → Q G L T T2 → + ) → (∀G,L,V,T1,T,T2. ⇧[1] T ≘ T1 → ❪G,L❫ ⊢ T ⬈[h] T2 → Q G L T T2 → Q G L (+ⓓV.T1) T2 ) → (∀G,L,V,T1,T2. ❪G,L❫ ⊢ T1 ⬈[h] T2 → Q G L T1 T2 → Q G L (ⓝV.T1) T2 @@ -267,7 +267,7 @@ lemma cpx_ind: ∀h. ∀Q:relation4 genv lenv term term. Q G L (ⓐV1.ⓛ[p]W1.T1) (ⓓ[p]ⓝW2.V2.T2) ) → (∀p,G,L,V1,V,V2,W1,W2,T1,T2. ❪G,L❫ ⊢ V1 ⬈[h] V → ❪G,L❫ ⊢ W1 ⬈[h] W2 → ❪G,L.ⓓW1❫ ⊢ T1 ⬈[h] T2 → Q G L V1 V → Q G L W1 W2 → Q G (L.ⓓW1) T1 T2 → - ⇧*[1] V ≘ V2 → Q G L (ⓐV1.ⓓ[p]W1.T1) (ⓓ[p]W2.ⓐV2.T2) + ⇧[1] V ≘ V2 → Q G L (ⓐV1.ⓓ[p]W1.T1) (ⓓ[p]W2.ⓐV2.T2) ) → ∀G,L,T1,T2. ❪G,L❫ ⊢ T1 ⬈[h] T2 → Q G L T1 T2. #h #Q #IH1 #IH2 #IH3 #IH4 #IH5 #IH6 #IH7 #IH8 #IH9 #IH10 #IH11 #G #L #T1 #T2