7. In a forward planner, you can represent a state in terms of the sequence of actions...
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7. In a forward planner, you can represent a state in terms of the sequence of actions that lead to that state.
(a) Explain how to check whether the precondition of an action is satisfied, given such a representation.
(b) Explain how to do cycle pruning in such a representation. You can assume that all of the states are legal. (Some other program has ensured that the preconditions hold.)
[Hint: Consider the composite action (Exercise 6) consisting of the first k or the last k actions at any stage.]
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Artificial Intelligence Foundations Of Computational Agents
ISBN: 9781107195394
2nd Edition
Authors: David L. Poole, Alan K. Mackworth
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