© 2000 Todd Neller.  A.I.M.A. text figures © 1995 Prentice Hall.  Used by permission.
Constraint Satisfaction Problem
•Variables (X1, X2, …, Xn)
•Variable domains (D1, D2, …, Dn)
•Variable constraints, pairs of:
–Constraint variable subsets, and
–Relations over such subsets