[plt-scheme] htdp section 17.7

From: Chris Warrington (chrisw at rice.edu)
Date: Thu Jul 6 18:21:45 EDT 2006

Matthias Felleisen @ 2006-7-06 2:12:38 PM
"[plt-scheme] htdp section  17.7" <mid:356D9226-1E15-410D-B023-47CB0DCCA9C3 at ccs.neu.edu>

>> I ask with particular reference to problems 3 and 5 which seem to
>> require a null parameter and a null expression respectively.

> Huh?

Does he, perhaps, mean free variables?

Chris Warrington <chrisw at rice.edu>

"Always be wary of any helpful item that weighs less than its
operating manual."
-Terry Pratchett
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