CS 3520 Homework 7   - Due October 18

Exercise 7.1, Set! finger exercises

Hand in a single file, hw7.scm, with the completed ex1, ex2, ex3, and ex4. No contracts, purpose statements, or examples are necessary.

Important: You solution must not contain any expressions or definitions except for ex1-ex4, and you cannot modify the given definitions except to replace the "...".

Last update: Saturday, October 14th, 2000