X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fsyntax%2Flenv_weight.ma;h=19a645439a1cd89b829ef508a50e07b2abbd18f3;hp=01ff8b7ad00c8672da3f3040498b5bc55c6daea3;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/static_2/syntax/lenv_weight.ma b/matita/matita/contribs/lambdadelta/static_2/syntax/lenv_weight.ma
index 01ff8b7ad..19a645439 100644
--- a/matita/matita/contribs/lambdadelta/static_2/syntax/lenv_weight.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/syntax/lenv_weight.ma
@@ -19,7 +19,7 @@ include "static_2/syntax/lenv.ma".
 
 rec definition lw L ≝ match L with
 [ LAtom     ⇒ 0
-| LBind L I ⇒ lw L + ♯{I}
+| LBind L I ⇒ lw L + ♯❨I❩
 ].
 
 interpretation "weight (local environment)" 'Weight L = (lw L).
@@ -27,7 +27,7 @@ interpretation "weight (local environment)" 'Weight L = (lw L).
 (* Basic properties *********************************************************)
 
 (* Basic_2A1: uses: lw_pair *)
-lemma lw_bind: ∀I,L. ♯{L} < ♯{L.ⓘ{I}}.
+lemma lw_bind: ∀I,L. ♯❨L❩ < ♯❨L.ⓘ[I]❩.
 normalize /2 width=1 by monotonic_le_plus_r/ qed.
 
 (* Basic_1: removed theorems 4: clt_cong clt_head clt_thead clt_wf_ind *)