--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/doc-src/Tutorial/Recdef/fib Tue Jan 12 15:49:13 1999 +0100
@@ -0,0 +1,5 @@
+consts fib :: nat => nat
+recdef fib "measure(%n. n)"
+ "fib 0 = 0"
+ "fib 1 = 1"
+ "fib (Suc(Suc x)) = fib x + fib (Suc x)"