X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fgrammar%2Fcl_restricted_weight.ma;h=fcf56071bbee14bad8e47d0a2cfc38ef791a5466;hb=88dd0e28758c693660a93ee0a9a5202c61ca09a0;hp=3669ca151440c22308b55b73c06a0e6568b4ff86;hpb=1e414c3226307112e8289e014e2941479df7c663;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_restricted_weight.ma b/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_restricted_weight.ma
index 3669ca151..fcf56071b 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_restricted_weight.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/grammar/cl_restricted_weight.ma
@@ -24,8 +24,8 @@ interpretation "weight (restricted closure)" 'Weight L T = (rfw L T).
 (* Basic properties *********************************************************)
 
 (* Basic_1: was: flt_shift *)
-lemma rfw_shift: ∀a,I,K,V,T. ♯{K.ⓑ{I}V, T} < ♯{K, ⓑ{a,I}V.T}.
-normalize //
+lemma rfw_shift: ∀p,I,K,V,T. ♯{K.ⓑ{I}V, T} < ♯{K, ⓑ{p,I}V.T}.
+normalize /2 width=1 by monotonic_le_plus_r/
 qed.
 
 lemma rfw_tpair_sn: ∀I,L,V,T. ♯{L, V} < ♯{L, ②{I}V.T}.