]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/grammar/term_weight.ma
- new syntax for let rec/corec with flavor specifier (tested on lambdadelta/ground_2/)
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / grammar / term_weight.ma
index 3787abe9355594a583a9700667efd455089b54ac..23659262d95191885e034822d1c60f4d1499af76 100644 (file)
@@ -17,7 +17,7 @@ include "basic_2/grammar/term.ma".
 
 (* WEIGHT OF A TERM *********************************************************)
 
-let rec tw T ≝ match T with
+rec definition tw T ≝ match T with
 [ TAtom _     ⇒ 1
 | TPair _ V T ⇒ tw V + tw T + 1
 ].