August 31, 1955

Dartmouth proposal: simulate every feature of intelligence

The 1955 Dartmouth grant proposal states the founding conjecture of AI — that intelligence can be precisely described enough for machines to simulate it.

Quote

The study is to proceed on the basis of the conjecture that every aspect of learning or any other feature of intelligence can in principle be so precisely described that a machine can be made to simulate it.

What it was for

John McCarthyThis sentence is the mission statement behind decades of AI research, from symbolic expert systemSoftware that encodes specialist knowledge as rules — early commercial AI before modern machine learning.s to deep learningNeural networks with many layers that learn hierarchical representations from data.. It assumes intelligence is describable in rules and representations — a bet the field is still testing.

People

  • John McCarthyresearcher

Why it's here

The conjecture that launched artificial intelligenceSoftware that performs tasks associated with human intelligence — perception, reasoning, and learning. as a named discipline.

Why it mattered

It reframed cognition as an engineering specification problem.

What it solved

Researchers in logic, psychology, and computing had no shared hypothesis to organize collaborative work.

Media

  • John McCarthy
    ImageJohn McCarthy

    "null0", CC BY-SA 2.0, via Wikimedia Commons

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