Added new example (infinitely branching trees).
--- a/src/HOL/Induct/ROOT.ML Fri Jul 16 14:03:03 1999 +0200
+++ b/src/HOL/Induct/ROOT.ML Fri Jul 16 14:03:33 1999 +0200
@@ -20,3 +20,4 @@
time_use_thy "Term";
time_use_thy "ABexp";
time_use_thy "Exp";
+time_use_thy "Tree";