Fix set

diff --git a/examples/set.ctt b/examples/set.ctt
index 04607a6307d8a49bf861e8d08642424588499ad6..67f0578e573d9ed8235a5eb60995d197e9387a56 100644 (file)
--- a/examples/set.ctt
+++ b/examples/set.ctt
@@ -1,5 +1,7 @@
 module set where
 
+import prelude
+
 sqDepPath (A:U) (F:A->U) (sF:(x:A) -> set (F x))
           (a0 a1:A) (p:Id A a0 a1) (u0 : F a0) (u1 : F a1) (q r: IdP (<i> F (p@i)) u0 u1) :
     Id (IdP (<i> F (p@i)) u0 u1) q r = <i j> rem @ j @ i