--- a/doc-src/IsarAdvanced/Codegen/Thy/examples/pick2.ML Fri Mar 02 15:43:16 2007 +0100
+++ b/doc-src/IsarAdvanced/Codegen/Thy/examples/pick2.ML Fri Mar 02 15:43:17 2007 +0100
@@ -6,9 +6,10 @@
datatype nat = Zero_nat | Suc of nat;
-fun less_nat Zero_nat (Suc n) = true
+fun less_nat n (Suc m) = less_eq_nat n m
| less_nat n Zero_nat = false
- | less_nat (Suc m) (Suc n) = less_nat m n;
+and less_eq_nat (Suc n) m = less_nat n m
+ | less_eq_nat Zero_nat m = true;
fun minus_nat (Suc m) (Suc n) = minus_nat m n
| minus_nat Zero_nat n = Zero_nat