X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Ffdeq_fqus.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Ffdeq_fqus.ma;h=0000000000000000000000000000000000000000;hb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;hp=6c2246cadcff0bbc5b5f6206759e60ef5b200c2e;hpb=222044da28742b24584549ba86b1805a87def070;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/fdeq_fqus.ma b/matita/matita/contribs/lambdadelta/basic_2/static/fdeq_fqus.ma deleted file mode 100644 index 6c2246cad..000000000 --- a/matita/matita/contribs/lambdadelta/basic_2/static/fdeq_fqus.ma +++ /dev/null @@ -1,31 +0,0 @@ -(**************************************************************************) -(* ___ *) -(* ||M|| *) -(* ||A|| A project by Andrea Asperti *) -(* ||T|| *) -(* ||I|| Developers: *) -(* ||T|| The HELM team. *) -(* ||A|| http://helm.cs.unibo.it *) -(* \ / *) -(* \ / This file is distributed under the terms of the *) -(* v GNU General Public License Version 2 *) -(* *) -(**************************************************************************) - -include "basic_2/static/rdeq_fqus.ma". -include "basic_2/static/fdeq.ma". - -(* DEGREE-BASED EQUIVALENCE FOR CLOSURES ON REFERRED ENTRIES ****************) - -(* Properties with star-iterated structural successor for closures **********) - -lemma fdeq_fqus_trans: ∀h,o,b,G1,G,L1,L,T1,T. ⦃G1, L1, T1⦄ ≛[h, o] ⦃G, L, T⦄ → - ∀G2,L2,T2. ⦃G, L, T⦄ ⊐*[b] ⦃G2, L2, T2⦄ → - ∃∃G,L0,T0. ⦃G1, L1, T1⦄ ⊐*[b] ⦃G, L0, T0⦄ & ⦃G, L0, T0⦄ ≛[h, o] ⦃G2, L2, T2⦄. -#h #o #b #G1 #G #L1 #L #T1 #T #H1 #G2 #L2 #T2 #H2 -elim(fdeq_inv_gen_dx … H1) -H1 #HG #HL1 #HT1 destruct -elim (rdeq_fqus_trans … H2 … HL1) -L #L #T0 #H2 #HT02 #HL2 -elim (tdeq_fqus_trans … H2 … HT1) -T #L0 #T #H2 #HT0 #HL0 -lapply (tdeq_rdeq_conf … HT02 … HL0) -HL0 #HL0 -/4 width=7 by fdeq_intro_dx, rdeq_trans, tdeq_trans, ex2_3_intro/ -qed-.