The set-level heuristic (see pageĀ set-level-page uses a planning graph
to estimate the cost of achieving a conjunctive goal from the current
state. What relaxed problem is the set-level heuristic the solution to?

The set-level heuristic (see pageĀ set-level-page uses a planning graph
to estimate the cost of achieving a conjunctive goal from the current
state. What relaxed problem is the set-level heuristic the solution to?