X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fsyntax%2Fgenv_weight.ma;h=88dcbc185f4d2eeba7ccd6a76204d5751a2b0d3f;hp=9bf005fa069ebc515ff1589a56fc9b9e43b78209;hb=98e786e1a6bd7b621e37ba7cd4098d4a0a6f8278;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48

diff --git a/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma b/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma
index 9bf005fa0..88dcbc185 100644
--- a/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/syntax/genv_weight.ma
@@ -19,12 +19,12 @@ include "static_2/syntax/genv.ma".
 
 rec definition gw G ≝ match G with
 [ GAtom       ⇒ 0
-| GPair G I T ⇒ gw G + ♯{T}
+| GPair G I T ⇒ gw G + ♯❨T❩
 ].
 
 interpretation "weight (global environment)" 'Weight G = (gw G).
 
 (* Basic properties *********************************************************)
 
-lemma gw_pair: ∀I,G,T. ♯{G} < ♯{G.ⓑ{I}T}.
-normalize /2 width=1 by monotonic_le_plus_r/ qed.
+lemma gw_pair: ∀I,G,T. ♯❨G❩ < ♯❨G.ⓑ[I]T❩.
+normalize /2 width=1 by nle_plus_bi_sn/ qed.