X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flprs.ma;h=d4061da3936799e108668242ee7bbc35c04a6bbf;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=827a963be43836ab25f59e72b583677b5c80d0b6;hpb=cac0166656e08399eaaf1a1e19f0ccea28c36d39;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs.ma index 827a963be..d4061da39 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs.ma @@ -13,7 +13,7 @@ (**************************************************************************) include "basic_2/notation/relations/predsnstar_4.ma". -include "basic_2/relocation/lex.ma". +include "static_2/relocation/lex.ma". include "basic_2/rt_computation/cprs_ext.ma". (* PARALLEL R-COMPUTATION FOR FULL LOCAL ENVIRONMENTS ***********************) @@ -28,52 +28,52 @@ interpretation (* Basic properties *********************************************************) (* Basic_2A1: uses: lprs_pair_refl *) -lemma lprs_bind_refl_dx (h) (G): ∀L1,L2. ⦃G, L1⦄ ⊢ ➡*[h] L2 → - ∀I. ⦃G, L1.ⓘ{I}⦄ ⊢ ➡*[h] L2.ⓘ{I}. +lemma lprs_bind_refl_dx (h) (G): ∀L1,L2. ❪G,L1❫ ⊢ ➡*[h] L2 → + ∀I. ❪G,L1.ⓘ[I]❫ ⊢ ➡*[h] L2.ⓘ[I]. /2 width=1 by lex_bind_refl_dx/ qed. -lemma lprs_pair (h) (G): ∀L1,L2. ⦃G, L1⦄ ⊢ ➡*[h] L2 → - ∀V1,V2. ⦃G, L1⦄ ⊢ V1 ➡*[h] V2 → - ∀I. ⦃G, L1.ⓑ{I}V1⦄ ⊢ ➡*[h] L2.ⓑ{I}V2. +lemma lprs_pair (h) (G): ∀L1,L2. ❪G,L1❫ ⊢ ➡*[h] L2 → + ∀V1,V2. ❪G,L1❫ ⊢ V1 ➡*[h] V2 → + ∀I. ❪G,L1.ⓑ[I]V1❫ ⊢ ➡*[h] L2.ⓑ[I]V2. /2 width=1 by lex_pair/ qed. -lemma lprs_refl (h) (G): ∀L. ⦃G, L⦄ ⊢ ➡*[h] L. +lemma lprs_refl (h) (G): ∀L. ❪G,L❫ ⊢ ➡*[h] L. /2 width=1 by lex_refl/ qed. (* Basic inversion lemmas ***************************************************) (* Basic_2A1: uses: lprs_inv_atom1 *) -lemma lprs_inv_atom_sn (h) (G): ∀L2. ⦃G, ⋆⦄ ⊢ ➡*[h] L2 → L2 = ⋆. +lemma lprs_inv_atom_sn (h) (G): ∀L2. ❪G,⋆❫ ⊢ ➡*[h] L2 → L2 = ⋆. /2 width=2 by lex_inv_atom_sn/ qed-. (* Basic_2A1: was: lprs_inv_pair1 *) lemma lprs_inv_pair_sn (h) (G): - ∀I,K1,L2,V1. ⦃G, K1.ⓑ{I}V1⦄ ⊢ ➡*[h] L2 → - ∃∃K2,V2. ⦃G, K1⦄ ⊢ ➡*[h] K2 & ⦃G, K1⦄ ⊢ V1 ➡*[h] V2 & L2 = K2.ⓑ{I}V2. + ∀I,K1,L2,V1. ❪G,K1.ⓑ[I]V1❫ ⊢ ➡*[h] L2 → + ∃∃K2,V2. ❪G,K1❫ ⊢ ➡*[h] K2 & ❪G,K1❫ ⊢ V1 ➡*[h] V2 & L2 = K2.ⓑ[I]V2. /2 width=1 by lex_inv_pair_sn/ qed-. (* Basic_2A1: uses: lprs_inv_atom2 *) -lemma lprs_inv_atom_dx (h) (G): ∀L1. ⦃G, L1⦄ ⊢ ➡*[h] ⋆ → L1 = ⋆. +lemma lprs_inv_atom_dx (h) (G): ∀L1. ❪G,L1❫ ⊢ ➡*[h] ⋆ → L1 = ⋆. /2 width=2 by lex_inv_atom_dx/ qed-. (* Basic_2A1: was: lprs_inv_pair2 *) lemma lprs_inv_pair_dx (h) (G): - ∀I,L1,K2,V2. ⦃G, L1⦄ ⊢ ➡*[h] K2.ⓑ{I}V2 → - ∃∃K1,V1. ⦃G, K1⦄ ⊢ ➡*[h] K2 & ⦃G, K1⦄ ⊢ V1 ➡*[h] V2 & L1 = K1.ⓑ{I}V1. + ∀I,L1,K2,V2. ❪G,L1❫ ⊢ ➡*[h] K2.ⓑ[I]V2 → + ∃∃K1,V1. ❪G,K1❫ ⊢ ➡*[h] K2 & ❪G,K1❫ ⊢ V1 ➡*[h] V2 & L1 = K1.ⓑ[I]V1. /2 width=1 by lex_inv_pair_dx/ qed-. (* Basic eliminators ********************************************************) (* Basic_2A1: was: lprs_ind_alt *) -lemma lprs_ind (h) (G): ∀R:relation lenv. - R (⋆) (⋆) → ( +lemma lprs_ind (h) (G): ∀Q:relation lenv. + Q (⋆) (⋆) → ( ∀I,K1,K2. - ⦃G, K1⦄ ⊢ ➡*[h] K2 → - R K1 K2 → R (K1.ⓘ{I}) (K2.ⓘ{I}) + ❪G,K1❫ ⊢ ➡*[h] K2 → + Q K1 K2 → Q (K1.ⓘ[I]) (K2.ⓘ[I]) ) → ( ∀I,K1,K2,V1,V2. - ⦃G, K1⦄ ⊢ ➡*[h] K2 → ⦃G, K1⦄ ⊢ V1 ➡*[h] V2 → - R K1 K2 → R (K1.ⓑ{I}V1) (K2.ⓑ{I}V2) + ❪G,K1❫ ⊢ ➡*[h] K2 → ❪G,K1❫ ⊢ V1 ➡*[h] V2 → + Q K1 K2 → Q (K1.ⓑ[I]V1) (K2.ⓑ[I]V2) ) → - ∀L1,L2. ⦃G, L1⦄ ⊢ ➡*[h] L2 → R L1 L2. + ∀L1,L2. ❪G,L1❫ ⊢ ➡*[h] L2 → Q L1 L2. /3 width=4 by lex_ind/ qed-.