Project 4--Task 1 typo

[Subbarao Kambhampati <rao@parichaalak.eas.asu.edu>]

As some of you probably recognized, the "test case" on "pleasing ?x"
at the end of task 1 has misplaced parentheses. The corrected version
is as follows (I also changed the online version)

     > (setq rules1
        '(((pleasing (? x)) if (red (? x)) (block (? x)))
          ((red block17))
          ((block block17))
	  ))


     > (prolog '((pleasing (? x))) rules1)
	 

Rao