X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flprs_lpr.ma;h=ea0456434b7cd0da409de24134690f0fee2113a6;hp=120177208760d6e3f28ecdaf3acfecf7bb8ee7be;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpr.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpr.ma index 120177208..ea0456434 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpr.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpr.ma @@ -20,29 +20,29 @@ include "basic_2/rt_computation/lprs_tc.ma". (* Basic_2A1: was: lprs_ind_dx *) lemma lprs_ind_sn (h) (G) (L2): ∀Q:predicate lenv. Q L2 → - (∀L1,L. ⦃G, L1⦄ ⊢ ➡[h] L → ⦃G, L⦄ ⊢ ➡*[h] L2 → Q L → Q L1) → - ∀L1. ⦃G, L1⦄ ⊢ ➡*[h] L2 → Q L1. + (∀L1,L. ⦃G,L1⦄ ⊢ ➡[h] L → ⦃G,L⦄ ⊢ ➡*[h] L2 → Q L → Q L1) → + ∀L1. ⦃G,L1⦄ ⊢ ➡*[h] L2 → Q L1. /4 width=8 by lprs_inv_CTC, lprs_CTC, lpr_cprs_trans, cpr_refl, lex_CTC_ind_sn/ qed-. (* Basic_2A1: was: lprs_ind *) lemma lprs_ind_dx (h) (G) (L1): ∀Q:predicate lenv. Q L1 → - (∀L,L2. ⦃G, L1⦄ ⊢ ➡*[h] L → ⦃G, L⦄ ⊢ ➡[h] L2 → Q L → Q L2) → - ∀L2. ⦃G, L1⦄ ⊢ ➡*[h] L2 → Q L2. + (∀L,L2. ⦃G,L1⦄ ⊢ ➡*[h] L → ⦃G,L⦄ ⊢ ➡[h] L2 → Q L → Q L2) → + ∀L2. ⦃G,L1⦄ ⊢ ➡*[h] L2 → Q L2. /4 width=8 by lprs_inv_CTC, lprs_CTC, lpr_cprs_trans, cpr_refl, lex_CTC_ind_dx/ qed-. (* Properties with unbound rt-transition for full local environments ********) -lemma lpr_lprs (h) (G): ∀L1,L2. ⦃G, L1⦄ ⊢ ➡[h] L2 → ⦃G, L1⦄ ⊢ ➡*[h] L2. +lemma lpr_lprs (h) (G): ∀L1,L2. ⦃G,L1⦄ ⊢ ➡[h] L2 → ⦃G,L1⦄ ⊢ ➡*[h] L2. /4 width=3 by lprs_CTC, lpr_cprs_trans, lex_CTC_inj/ qed. (* Basic_2A1: was: lprs_strap2 *) -lemma lprs_step_sn (h) (G): ∀L1,L. ⦃G, L1⦄ ⊢ ➡[h] L → - ∀L2.⦃G, L⦄ ⊢ ➡*[h] L2 → ⦃G, L1⦄ ⊢ ➡*[h] L2. +lemma lprs_step_sn (h) (G): ∀L1,L. ⦃G,L1⦄ ⊢ ➡[h] L → + ∀L2.⦃G,L⦄ ⊢ ➡*[h] L2 → ⦃G,L1⦄ ⊢ ➡*[h] L2. /4 width=3 by lprs_inv_CTC, lprs_CTC, lpr_cprs_trans, lex_CTC_step_sn/ qed-. (* Basic_2A1: was: lpxs_strap1 *) -lemma lprs_step_dx (h) (G): ∀L1,L. ⦃G, L1⦄ ⊢ ➡*[h] L → - ∀L2. ⦃G, L⦄ ⊢ ➡[h] L2 → ⦃G, L1⦄ ⊢ ➡*[h] L2. +lemma lprs_step_dx (h) (G): ∀L1,L. ⦃G,L1⦄ ⊢ ➡*[h] L → + ∀L2. ⦃G,L⦄ ⊢ ➡[h] L2 → ⦃G,L1⦄ ⊢ ➡*[h] L2. /4 width=3 by lprs_inv_CTC, lprs_CTC, lpr_cprs_trans, lex_CTC_step_dx/ qed-. lemma lprs_strip (h) (G): confluent2 … (lprs h G) (lpr h G).