]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/grammar/lenv_length.ma
- new syntax for let rec/corec with flavor specifier (tested on lambdadelta/ground_2/)
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / grammar / lenv_length.ma
index 29fee0ef19a566c53eba8bdfe69feef387d672b6..f608f8c3c26189e7910c2f36ce4257c4f29239c8 100644 (file)
@@ -16,7 +16,7 @@ include "basic_2/grammar/lenv.ma".
 
 (* LENGTH OF A LOCAL ENVIRONMENT ********************************************)
 
-let rec length L ≝ match L with
+rec definition length L ≝ match L with
 [ LAtom       ⇒ 0
 | LPair L _ _ ⇒ ⫯(length L)
 ].