© 2000 Todd Neller.  A.I.M.A. text figures © 1995 Prentice Hall.  Used by permission.
Propositional Block World
•How would you represent the following:
–Block A is on Block D
–Block A is not on Block B
–If A is on D, A is not on B
–No block is on A
–If A is on D and D is on B, A is above B.