- bug fix in the induction for the closure property

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / computation / fsb.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/fsb.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/fsb.ma
index 6c24fe86b35e664af61b63b74c9a62e717979d4a..e89bf398ae60edb5ae9eff639fa434073aaba160 100644 (file)
--- 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.