X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fsyntax%2Fcl_weight.ma;h=f2e896ad4f4fd8d91702ab6887fa0431d6580311;hb=73966e3e9fd17155ca67e6b4a32f52225cea9d3c;hp=b933688142db4f054d75c44564ddd48c2fceb2ed;hpb=7632da8aa4f6751e351546be3d90fb23f634108c;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/syntax/cl_weight.ma b/matita/matita/contribs/lambdadelta/basic_2/syntax/cl_weight.ma
index b93368814..f2e896ad4 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/syntax/cl_weight.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/syntax/cl_weight.ma
@@ -29,7 +29,11 @@ interpretation "weight (closure)" 'Weight G L T = (fw G L T).
 lemma fw_shift: ∀p,I,G,K,V,T. ♯{G, K.ⓑ{I}V, T} < ♯{G, K, ⓑ{p,I}V.T}.
 normalize /2 width=1 by monotonic_le_plus_r/
 qed.
-
+(*
+lemma fw_clear: ∀p,I1,I2,G,K,V,T. ♯{G, K.ⓤ{I1}, T} < ♯{G, K, ⓑ{p,I2}V.T}.
+normalize /4 width=1 by monotonic_le_plus_r, le_S_S/
+qed.
+*)
 lemma fw_tpair_sn: ∀I,G,L,V,T. ♯{G, L, V} < ♯{G, L, ②{I}V.T}.
 normalize in ⊢ (?→?→?→?→?→?%%); //
 qed.