[plt-scheme] Excersise 14.2.3 - HtDP - Ordered list of binary tree nodes

From: David Van Horn (dvanhorn at ccs.neu.edu)
Date: Fri Feb 20 16:20:05 EST 2009

Charlie Turner wrote:
> The design recipes are fine, but it's the theory of ordering these
> nodes that I don't understand. 

How were you able to write down examples if you don't understand what 
the question is asking of you?


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