Suppose the domain of

add arc bad bud cup dip fad odd

- Is the arc
*<X,Y>*arc consistent? If so, explain why. If not, show what element(s) can be removed from a domain to make it arc consistent. - Is the arc
*<Y,X>*arc consistent? If so, explain why. If not, show what element(s) can be removed from a domain to make it arc consistent.

Computational Intelligence online material, ©David Poole, Alan Mackworth and Randy Goebel, 1999