X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Ffsb.ma;h=e89bf398ae60edb5ae9eff639fa434073aaba160;hb=02df4ecb9d5ad173a3e306952cc09d83b62cfdcf;hp=6c24fe86b35e664af61b63b74c9a62e717979d4a;hpb=7a112c2797e15ccd67bcbd7308fddcc54bff60ed;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/fsb.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/fsb.ma index 6c24fe86b..e89bf398a 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/computation/fsb.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/computation/fsb.ma @@ -28,19 +28,6 @@ interpretation "'big tree' strong normalization (closure)" 'BTSN h g G L T = (fsb h g G L T). -(* Basic eliminators ********************************************************) - -theorem fsb_ind_alt: ∀h,g. ∀R: relation3 …. ( - ∀G1,L1,T1. ⦃G1, L1⦄ ⊢ ⦥[h,g] T1 → ( - ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≽[h, g] ⦃G2, L2, T2⦄ → - (⦃G1, L1, T1⦄ ⋕ ⦃G2, L2, T2⦄ → ⊥) → R G2 L2 T2 - ) → R G1 L1 T1 - ) → - ∀G,L,T. ⦃G, L⦄ ⊢ ⦥[h, g] T → R G L T. -#h #g #R #IH #G #L #T #H elim H -G -L -T -/5 width=1 by fpb_fpbc, fsb_intro/ -qed-. - (* Basic inversion lemmas ***************************************************) lemma fsb_inv_csx: ∀h,g,G,L,T. ⦃G, L⦄ ⊢ ⦥[h, g] T → ⦃G, L⦄ ⊢ ⬊*[h, g] T.