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What is the symbol grounding problem?

  • A.How to ensure symbols are unique within a large knowledge base
  • B.How symbols in a system acquire meaning about the external world
  • C.How to store symbols efficiently in a computer's memory
  • D.How to translate symbols between two entirely different formal languages

Answer: B

A symbol manipulated purely syntactically has no connection to what it is supposed to refer to unless something ties it to perception and action, and providing that connection is the grounding problem. It underlies the Chinese room argument and motivates embodied approaches. Storage, translation and uniqueness are engineering matters. A question about how meaning enters a formal system at all is philosophical in origin and has practical consequences for how systems are built.

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