include "basic_1/s/defs.ma".
let rec lref_map (f: (nat \to nat)) (d: nat) (t: T) on t: T \def match t with
-[(TSort n) \Rightarrow (TSort n) | (TLRef i) \Rightarrow (let TMP_4 \def
-(match (blt i d) with [true \Rightarrow i | false \Rightarrow (f i)]) in
-(TLRef TMP_4)) | (THead k u t0) \Rightarrow (let TMP_1 \def (lref_map f d u)
-in (let TMP_2 \def (s k d) in (let TMP_3 \def (lref_map f TMP_2 t0) in (THead
-k TMP_1 TMP_3))))].
+[(TSort n) \Rightarrow (TSort n) | (TLRef i) \Rightarrow (let TMP_4 \def (blt
+i d) in (let TMP_5 \def (match TMP_4 with [true \Rightarrow i | false
+\Rightarrow (f i)]) in (TLRef TMP_5))) | (THead k u t0) \Rightarrow (let
+TMP_1 \def (lref_map f d u) in (let TMP_2 \def (s k d) in (let TMP_3 \def
+(lref_map f TMP_2 t0) in (THead k TMP_1 TMP_3))))].
definition lift:
nat \to (nat \to (T \to T))