X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcnx_cnx.ma;h=08cf65476fde90f8fc5293552066d38a26fec2ea;hp=1cd716e8eed08dc94c7a6d9eff907959b805e776;hb=4173283e148199871d787c53c0301891deb90713;hpb=a67fc50ccfda64377e2c94c18c3a0d9265f651db diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma index 1cd716e8e..08cf65476 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnx_cnx.ma @@ -19,9 +19,9 @@ include "basic_2/rt_transition/cnx.ma". (* Advanced properties ******************************************************) -lemma cnx_tdeq_trans: ∀h,o,G,L,T1. ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃T1⦄ → - ∀T2. T1 ≛[h, o] T2 → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃T2⦄. -#h #o #G #L #T1 #HT1 #T2 #HT12 #T #HT2 +lemma cnx_tdeq_trans: ∀h,G,L,T1. ⦃G, L⦄ ⊢ ⬈[h] 𝐍⦃T1⦄ → + ∀T2. T1 ≛ T2 → ⦃G, L⦄ ⊢ ⬈[h] 𝐍⦃T2⦄. +#h #G #L #T1 #HT1 #T2 #HT12 #T #HT2 elim (tdeq_cpx_trans … HT12 … HT2) -HT2 #T0 #HT10 #HT0 lapply (HT1 … HT10) -HT1 -HT10 /2 width=5 by tdeq_repl/ (**) (* full auto fails *) qed-.