X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fgrammar%2Flenv_weight.ma;h=c9d79e5f5195ffc74e9ee8445b531b8c62f8a6c6;hb=5832735b721c0bd8567c8f0be761a9136363a2a6;hp=9bd6e8260683402fded51e555c58d5f3aaee9eec;hpb=064980eacc2efe70ffee96134d75dfa37506fc36;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/grammar/lenv_weight.ma b/matita/matita/contribs/lambdadelta/basic_2/grammar/lenv_weight.ma
index 9bd6e8260..c9d79e5f5 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/grammar/lenv_weight.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/grammar/lenv_weight.ma
@@ -17,7 +17,7 @@ include "basic_2/grammar/lenv.ma".
 
 (* WEIGHT OF A LOCAL ENVIRONMENT ********************************************)
 
-let rec lw L ≝ match L with
+rec definition lw L ≝ match L with
 [ LAtom       ⇒ 0
 | LPair L _ V ⇒ lw L + ♯{V}
 ].