update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_1 / tlt / defs.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_1/tlt/defs.ma b/matita/matita/contribs/lambdadelta/basic_1/tlt/defs.ma
index 5abfa6483164ad2f84e675c5301950a18a6a54f7..17474004236ddbcd49a5a55c17c60c5445055cf2 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_1/tlt/defs.ma
+++ b/matita/matita/contribs/lambdadelta/basic_1/tlt/defs.ma
@@ -22,29 +22,22 @@ definition wadd:
  \lambda (f: ((nat \to nat))).(\lambda (w: nat).(\lambda (n: nat).(match n 
 with [O \Rightarrow w | (S m) \Rightarrow (f m)]))).
 
-let rec weight_map (f: (nat \to nat)) (t: T) on t: nat \def match t with 
-[(TSort _) \Rightarrow O | (TLRef n) \Rightarrow (f n) | (THead k u t0) 
+rec definition weight_map (f: (nat \to nat)) (t: T) on t: nat \def match t 
+with [(TSort _) \Rightarrow O | (TLRef n) \Rightarrow (f n) | (THead k u t0) 
 \Rightarrow (match k with [(Bind b) \Rightarrow (match b with [Abbr 
-\Rightarrow (let TMP_12 \def (weight_map f u) in (let TMP_13 \def (weight_map 
-f u) in (let TMP_14 \def (S TMP_13) in (let TMP_15 \def (wadd f TMP_14) in 
-(let TMP_16 \def (weight_map TMP_15 t0) in (let TMP_17 \def (plus TMP_12 
-TMP_16) in (S TMP_17))))))) | Abst \Rightarrow (let TMP_8 \def (weight_map f 
-u) in (let TMP_9 \def (wadd f O) in (let TMP_10 \def (weight_map TMP_9 t0) in 
-(let TMP_11 \def (plus TMP_8 TMP_10) in (S TMP_11))))) | Void \Rightarrow 
-(let TMP_4 \def (weight_map f u) in (let TMP_5 \def (wadd f O) in (let TMP_6 
-\def (weight_map TMP_5 t0) in (let TMP_7 \def (plus TMP_4 TMP_6) in (S 
-TMP_7)))))]) | (Flat _) \Rightarrow (let TMP_1 \def (weight_map f u) in (let 
-TMP_2 \def (weight_map f t0) in (let TMP_3 \def (plus TMP_1 TMP_2) in (S 
-TMP_3))))])].
+\Rightarrow (S (plus (weight_map f u) (weight_map (wadd f (S (weight_map f 
+u))) t0))) | Abst \Rightarrow (S (plus (weight_map f u) (weight_map (wadd f 
+O) t0))) | Void \Rightarrow (S (plus (weight_map f u) (weight_map (wadd f O) 
+t0)))]) | (Flat _) \Rightarrow (S (plus (weight_map f u) (weight_map f 
+t0)))])].
 
 definition weight:
  T \to nat
 \def
- let TMP_1 \def (\lambda (_: nat).O) in (weight_map TMP_1).
+ weight_map (\lambda (_: nat).O).
 
 definition tlt:
  T \to (T \to Prop)
 \def
- \lambda (t1: T).(\lambda (t2: T).(let TMP_1 \def (weight t1) in (let TMP_2 
-\def (weight t2) in (lt TMP_1 TMP_2)))).
+ \lambda (t1: T).(\lambda (t2: T).(lt (weight t1) (weight t2))).