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What is the initial state of a planning problem?

  • A.A partial description of what the agent currently knows
  • B.A complete description of the world when planning begins
  • C.The first action of the plan that the agent will perform
  • D.The condition the agent hopes to bring about eventually

Answer: B

Classical planning assumes the initial state is completely known, which together with the closed world assumption makes every fluent's truth determinate. Relaxing that assumption gives conformant and contingent planning. First actions and goals are different components, and partial knowledge is exactly what the classical formulation excludes. Knowing which assumptions a formalism makes is what identifies which extension is needed when they fail.

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