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The Definition of Intelligence

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John McCarthy long ago gave one of the best definitions: "Intelligence is the computational part of the ability to achieve goals in the world”. That is pretty straightforward and does not require a lot of explanation. It also allows for intelligence to be a matter of degree, and for intelligence to be of several varieties, which is as it should be. Thus a person, a thermostat, a chess-playing program, and a corporation all achieve goals to various degrees and in various senses. For those looking for some ultimate ‘true intelligence’, the lack of an absolute, binary definition is disappointing, but that is also as it should be. The part that might benefit from explanation is what it means to achieve goals. What does it mean to have a goal? How can I tell if a system really has a goal rather than seems to? These questions seem deep and confusing until you realize that a system having a goal or not, despite the language, is not really a property of the system itself. It is in the relati

The Definition of Intelligence The Definition of Intelligence Rich Sutton July 9, 2016 John McCarthy long ago gave one of the best definitions: "Intelligence is the computational part of the ability to achieve goals in the world”. That is pretty straightforward and does not require a lot of explanation. It also allows for intelligence to be a matter of degree, and for intelligence to be of several varieties, which is as it should be. Thus a person, a thermostat, a chess-playing program, and a corporation all achieve goals to various degrees and in various senses. For those looking for so

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