
Go backward to Solution to part (a)
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Solution to part (b)
No, this constraint network is not arc consistent.
The arc <X,Y> is not arc consistent.
For X=2 there is no Y such that (X+Y)
mod 2 = 1 is true.
Computational
Intelligence online
material, ©David Poole, Alan Mackworth and Randy Goebel, 1999
