X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_cnx.ma;h=4471b208338d6432720b80e6214d2acbc3be94a4;hb=HEAD;hp=3cd1edff96a9cbf29fd7d3d10d55c7bbf40fd43d;hpb=5b5dca0c118dfbe3ba8f0514ef07549544eb7810;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma index 3cd1edff9..4471b2083 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_cnx.ma @@ -12,18 +12,20 @@ (* *) (**************************************************************************) -(* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************) - include "basic_2/rt_transition/cnx.ma". include "basic_2/rt_computation/csx.ma". -(* Properties with normal terms for unbound parallel rt-transition **********) +(* STRONGLY NORMALIZING TERMS FOR EXTENDED PARALLEL RT-TRANSITION ***********) + +(* Properties with normal terms for extended parallel rt-transition *********) (* Basic_1: was just: sn3_nf2 *) -lemma cnx_csx: ∀h,G,L,T. ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃T⦄ → ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃T⦄. +lemma cnx_csx (G) (L): + ∀T. ❨G,L❩ ⊢ ⬈𝐍 T → ❨G,L❩ ⊢ ⬈*𝐒 T. /2 width=1 by NF_to_SN/ qed. (* Advanced properties ******************************************************) -lemma csx_sort: ∀h,G,L,s. ⦃G,L⦄ ⊢ ⬈*[h] 𝐒⦃⋆s⦄. +lemma csx_sort (G) (L): + ∀s. ❨G,L❩ ⊢ ⬈*𝐒 ⋆s. /3 width=4 by cnx_csx, cnx_sort/ qed.