X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_1%2Flift1%2Fdefs.ma;h=94e6343dfa034faf5d3ef607de01c74c65329f67;hb=a4ba77d9df157e443e6fb39dc7376996faea9973;hp=1e1080c89c842dc0d31a89c99e3039c3788d3b34;hpb=7b95759c5011a25f96d5171561ea79d063770db4;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_1/lift1/defs.ma b/matita/matita/contribs/lambdadelta/basic_1/lift1/defs.ma
index 1e1080c89..94e6343df 100644
--- a/matita/matita/contribs/lambdadelta/basic_1/lift1/defs.ma
+++ b/matita/matita/contribs/lambdadelta/basic_1/lift1/defs.ma
@@ -18,14 +18,14 @@ include "basic_1/lift/defs.ma".
 
 let rec trans (hds: PList) on hds: nat \to nat \def \lambda (i: nat).(match 
 hds with [PNil \Rightarrow i | (PCons h d hds0) \Rightarrow (let j \def 
-(trans hds0 i) in (let TMP_1 \def (blt j d) in (match TMP_1 with [true 
-\Rightarrow j | false \Rightarrow (plus j h)])))]).
+(trans hds0 i) in (match (blt j d) with [true \Rightarrow j | false 
+\Rightarrow (plus j h)]))]).
 
 let rec lift1 (hds: PList) on hds: T \to T \def \lambda (t: T).(match hds 
-with [PNil \Rightarrow t | (PCons h d hds0) \Rightarrow (let TMP_1 \def 
-(lift1 hds0 t) in (lift h d TMP_1))]).
+with [PNil \Rightarrow t | (PCons h d hds0) \Rightarrow (lift h d (lift1 hds0 
+t))]).
 
 let rec lifts1 (hds: PList) (ts: TList) on ts: TList \def match ts with [TNil 
-\Rightarrow TNil | (TCons t ts0) \Rightarrow (let TMP_1 \def (lift1 hds t) in 
-(let TMP_2 \def (lifts1 hds ts0) in (TCons TMP_1 TMP_2)))].
+\Rightarrow TNil | (TCons t ts0) \Rightarrow (TCons (lift1 hds t) (lifts1 hds 
+ts0))].