X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flfpx_lfpx.ma;h=a96910a0c05e73624be2b36876f3172c2927ad19;hb=5c186c72f508da0849058afeecc6877cd9ed6303;hp=bf7dda13cbccddd972203551bad391254a5f0fe6;hpb=cbc645186c8836c88c559c787a4deea63b7a12b0;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpx_lfpx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpx_lfpx.ma index bf7dda13c..a96910a0c 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpx_lfpx.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpx_lfpx.ma @@ -12,12 +12,23 @@ (* *) (**************************************************************************) -include "basic_2/rt_transition/cpx_lfxs.ma". +include "basic_2/static/lfxs_lfxs.ma". include "basic_2/rt_transition/lfpx.ma". -(* UNCOUNTED PARALLEL RT-TRANSITION FOR LOCAL ENV.S ON REFERRED ENTRIES *****) +(* UNBOUND PARALLEL RT-TRANSITION FOR REFERRED LOCAL ENVIRONMENTS ***********) -(* Advanced properties ******************************************************) +(* Main properties **********************************************************) -lemma lfpx_cpx_conf: ∀h,G. s_r_confluent1 … (cpx h G) (lfpx h G). -/2 width=5 by cpx_lfxs_conf/ qed-. +theorem lfpx_bind: ∀h,G,L1,L2,V1. ⦃G, L1⦄ ⊢ ⬈[h, V1] L2 → + ∀I,V2,T. ⦃G, L1.ⓑ{I}V1⦄ ⊢ ⬈[h, T] L2.ⓑ{I}V2 → + ∀p. ⦃G, L1⦄ ⊢ ⬈[h, ⓑ{p,I}V1.T] L2. +/2 width=2 by lfxs_bind/ qed. + +theorem lfpx_flat: ∀h,G,L1,L2,V. ⦃G, L1⦄ ⊢ ⬈[h, V] L2 → + ∀I,T. ⦃G, L1⦄ ⊢ ⬈[h, T] L2 → ⦃G, L1⦄ ⊢ ⬈[h, ⓕ{I}V.T] L2. +/2 width=1 by lfxs_flat/ qed. + +theorem lfpx_bind_void: ∀h,G,L1,L2,V. ⦃G, L1⦄ ⊢ ⬈[h, V] L2 → + ∀T. ⦃G, L1.ⓧ⦄ ⊢ ⬈[h, T] L2.ⓧ → + ∀p,I. ⦃G, L1⦄ ⊢ ⬈[h, ⓑ{p,I}V.T] L2. +/2 width=1 by lfxs_bind_void/ qed.