X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_1%2FT%2Fdefs.ma;h=0eeff13ba685501bf50c4863113e35479e3c8b0f;hb=57ae1762497a5f3ea75740e2908e04adb8642cc2;hp=f200518bf66a1adafe40cefa8ff21a139dd6758f;hpb=6d1bb99e7f355d826c07285ba46b6b13a4abaefc;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_1/T/defs.ma b/matita/matita/contribs/lambdadelta/basic_1/T/defs.ma index f200518bf..0eeff13ba 100644 --- a/matita/matita/contribs/lambdadelta/basic_1/T/defs.ma +++ b/matita/matita/contribs/lambdadelta/basic_1/T/defs.ma @@ -34,14 +34,12 @@ inductive T: Type[0] \def | TLRef: nat \to T | THead: K \to (T \to (T \to T)). -let rec tweight (t: T) on t: nat \def match t with [(TSort _) \Rightarrow (S -O) | (TLRef _) \Rightarrow (S O) | (THead _ u t0) \Rightarrow (let TMP_1 \def -(tweight u) in (let TMP_2 \def (tweight t0) in (let TMP_3 \def (plus TMP_1 -TMP_2) in (S TMP_3))))]. +rec definition tweight (t: T) on t: nat \def match t with [(TSort _) +\Rightarrow (S O) | (TLRef _) \Rightarrow (S O) | (THead _ u t0) \Rightarrow +(S (plus (tweight u) (tweight t0)))]. definition tle: T \to (T \to Prop) \def - \lambda (t1: T).(\lambda (t2: T).(let TMP_1 \def (tweight t1) in (let TMP_2 -\def (tweight t2) in (le TMP_1 TMP_2)))). + \lambda (t1: T).(\lambda (t2: T).(le (tweight t1) (tweight t2))).