Question: 4.4 Sometimes there is no good evaluation function for a problem, but there is a good comparison method: a way to tell if one node

4.4 Sometimes there is no good evaluation function for a problem, but there is a good comparison method: a way to tell if one node is better than another, without assigning numerical values to either. Show that this is enough to do a best-first search. What properties of best-first search do we give up if we only have a comparison method?

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