treeform

*To*: mathgroup at smc.vnet.net*Subject*: [mg115612] treeform*From*: pierodancona <pierredelun3 at gmail.com>*Date*: Sun, 16 Jan 2011 05:54:09 -0500 (EST)*Reply-to*: comp.soft-sys.math.mathematica at googlegroups.com

If I input TreeForm[{{1},{1,2}}] I get exactly what is expected, namely a tree with 3 levels. But if I input TreeForm[Range[Range[2]]] I get a tree with only two levels, the leaves being {1} and {1,2}. Why? Thanks Piero