X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpms_drops.ma;h=b8917b38c453f57b1f9102716c2526abc3611949;hp=894ece04c1f3e937f03201044a5465133b84d33c;hb=25c634037771dff0138e5e8e3d4378183ff49b86;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_drops.ma index 894ece04c..b8917b38c 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_drops.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_drops.ma @@ -47,7 +47,7 @@ qed-. (* Advanced properties ******************************************************) lemma cpms_delta (n) (h) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[n,h] V2 → - ∀W2. ⇧*[1] V2 ≘ W2 → ❪G,K.ⓓV1❫ ⊢ #0 ➡*[n,h] W2. + ∀W2. ⇧[1] V2 ≘ W2 → ❪G,K.ⓓV1❫ ⊢ #0 ➡*[n,h] W2. #n #h #G #K #V1 #V2 #H @(cpms_ind_dx … H) -V2 [ /3 width=3 by cpm_cpms, cpm_delta/ | #n1 #n2 #V #V2 #_ #IH #HV2 #W2 #HVW2 @@ -57,7 +57,7 @@ lemma cpms_delta (n) (h) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[n,h] V2 → qed. lemma cpms_ell (n) (h) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[n,h] V2 → - ∀W2. ⇧*[1] V2 ≘ W2 → ❪G,K.ⓛV1❫ ⊢ #0 ➡*[↑n,h] W2. + ∀W2. ⇧[1] V2 ≘ W2 → ❪G,K.ⓛV1❫ ⊢ #0 ➡*[↑n,h] W2. #n #h #G #K #V1 #V2 #H @(cpms_ind_dx … H) -V2 [ /3 width=3 by cpm_cpms, cpm_ell/ | #n1 #n2 #V #V2 #_ #IH #HV2 #W2 #HVW2 @@ -67,7 +67,7 @@ lemma cpms_ell (n) (h) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[n,h] V2 → qed. lemma cpms_lref (n) (h) (I) (G): ∀K,T,i. ❪G,K❫ ⊢ #i ➡*[n,h] T → - ∀U. ⇧*[1] T ≘ U → ❪G,K.ⓘ[I]❫ ⊢ #↑i ➡*[n,h] U. + ∀U. ⇧[1] T ≘ U → ❪G,K.ⓘ[I]❫ ⊢ #↑i ➡*[n,h] U. #n #h #I #G #K #T #i #H @(cpms_ind_dx … H) -T [ /3 width=3 by cpm_cpms, cpm_lref/ | #n1 #n2 #T #T2 #_ #IH #HT2 #U2 #HTU2 @@ -91,9 +91,9 @@ qed. (* Note: apparently this was missing in basic_1 *) (* Basic_2A1: uses: cprs_delta *) lemma cpms_delta_drops (n) (h) (G): - ∀L,K,V,i. ⇩*[i] L ≘ K.ⓓV → + ∀L,K,V,i. ⇩[i] L ≘ K.ⓓV → ∀V2. ❪G,K❫ ⊢ V ➡*[n,h] V2 → - ∀W2. ⇧*[↑i] V2 ≘ W2 → ❪G,L❫ ⊢ #i ➡*[n,h] W2. + ∀W2. ⇧[↑i] V2 ≘ W2 → ❪G,L❫ ⊢ #i ➡*[n,h] W2. #n #h #G #L #K #V #i #HLK #V2 #H @(cpms_ind_dx … H) -V2 [ /3 width=6 by cpm_cpms, cpm_delta_drops/ | #n1 #n2 #V1 #V2 #_ #IH #HV12 #W2 #HVW2 @@ -104,9 +104,9 @@ lemma cpms_delta_drops (n) (h) (G): qed. lemma cpms_ell_drops (n) (h) (G): - ∀L,K,W,i. ⇩*[i] L ≘ K.ⓛW → + ∀L,K,W,i. ⇩[i] L ≘ K.ⓛW → ∀W2. ❪G,K❫ ⊢ W ➡*[n,h] W2 → - ∀V2. ⇧*[↑i] W2 ≘ V2 → ❪G,L❫ ⊢ #i ➡*[↑n,h] V2. + ∀V2. ⇧[↑i] W2 ≘ V2 → ❪G,L❫ ⊢ #i ➡*[↑n,h] V2. #n #h #G #L #K #W #i #HLK #W2 #H @(cpms_ind_dx … H) -W2 [ /3 width=6 by cpm_cpms, cpm_ell_drops/ | #n1 #n2 #W1 #W2 #_ #IH #HW12 #V2 #HWV2 @@ -121,10 +121,10 @@ qed. lemma cpms_inv_lref1_drops (n) (h) (G): ∀L,T2,i. ❪G,L❫ ⊢ #i ➡*[n,h] T2 → ∨∨ ∧∧ T2 = #i & n = 0 - | ∃∃K,V,V2. ⇩*[i] L ≘ K.ⓓV & ❪G,K❫ ⊢ V ➡*[n,h] V2 & - ⇧*[↑i] V2 ≘ T2 - | ∃∃m,K,V,V2. ⇩*[i] L ≘ K.ⓛV & ❪G,K❫ ⊢ V ➡*[m,h] V2 & - ⇧*[↑i] V2 ≘ T2 & n = ↑m. + | ∃∃K,V,V2. ⇩[i] L ≘ K.ⓓV & ❪G,K❫ ⊢ V ➡*[n,h] V2 & + ⇧[↑i] V2 ≘ T2 + | ∃∃m,K,V,V2. ⇩[i] L ≘ K.ⓛV & ❪G,K❫ ⊢ V ➡*[m,h] V2 & + ⇧[↑i] V2 ≘ T2 & n = ↑m. #n #h #G #L #T2 #i #H @(cpms_ind_dx … H) -T2 [ /3 width=1 by or3_intro0, conj/ | #n1 #n2 #T #T2 #_ #IH #HT2 cases IH -IH * @@ -149,7 +149,7 @@ qed-. lemma cpms_inv_delta_sn (n) (h) (G) (K) (V): ∀T2. ❪G,K.ⓓV❫ ⊢ #0 ➡*[n,h] T2 → ∨∨ ∧∧ T2 = #0 & n = 0 - | ∃∃V2. ❪G,K❫ ⊢ V ➡*[n,h] V2 & ⇧*[1] V2 ≘ T2. + | ∃∃V2. ❪G,K❫ ⊢ V ➡*[n,h] V2 & ⇧[1] V2 ≘ T2. #n #h #G #K #V #T2 #H elim (cpms_inv_lref1_drops … H) -H * [ /3 width=1 by or_introl, conj/ @@ -164,7 +164,7 @@ qed-. lemma cpms_inv_ell_sn (n) (h) (G) (K) (V): ∀T2. ❪G,K.ⓛV❫ ⊢ #0 ➡*[n,h] T2 → ∨∨ ∧∧ T2 = #0 & n = 0 - | ∃∃m,V2. ❪G,K❫ ⊢ V ➡*[m,h] V2 & ⇧*[1] V2 ≘ T2 & n = ↑m. + | ∃∃m,V2. ❪G,K❫ ⊢ V ➡*[m,h] V2 & ⇧[1] V2 ≘ T2 & n = ↑m. #n #h #G #K #V #T2 #H elim (cpms_inv_lref1_drops … H) -H * [ /3 width=1 by or_introl, conj/ @@ -179,7 +179,7 @@ qed-. lemma cpms_inv_lref_sn (n) (h) (G) (I) (K): ∀U2,i. ❪G,K.ⓘ[I]❫ ⊢ #↑i ➡*[n,h] U2 → ∨∨ ∧∧ U2 = #↑i & n = 0 - | ∃∃T2. ❪G,K❫ ⊢ #i ➡*[n,h] T2 & ⇧*[1] T2 ≘ U2. + | ∃∃T2. ❪G,K❫ ⊢ #i ➡*[n,h] T2 & ⇧[1] T2 ≘ U2. #n #h #G #I #K #U2 #i #H elim (cpms_inv_lref1_drops … H) -H * [ /3 width=1 by or_introl, conj/