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Which of the following is not true for STRIPS language used for planning ?

  • A.There is no support for equality and types.
  • B.The goals and effects are specified as conjunction.
  • C.It uses open world assumption
  • D.It uses only positive literals in states

Answer: C

The statement not true of STRIPS is It uses open world assumption.

STRIPS uses the closed world assumption: any condition not mentioned in a state is taken to be false. It is ADL (Action Description Language) that adopts the open world assumption.

The other statements are true of STRIPS: states contain only positive literals, goals and effects are conjunctions, and there is no built-in support for equality or types, which ADL adds.

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