Question 21
AUTOMATED PLANNING 1 Answer the given subquestions.
In planning graphs constructed by GraphPlan, which of the following are true?
If propositions P and Q are non mutex in layer zero then it will remain non mutex in all future layers.
If propositions P and Q are non mutex in a layer n then it will remain non mutex in all future layers.
If propositions P and Q are non mutex in a layer n then it can become mutex in a future layer.
None of these.