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Commentary

Asimov's Three Laws don't work

What's this about?

Mollick: it is a bummer that Asimov's Three Laws of Robotics don't work for actual AI morality — but the failure shows why rule-based approaches won't work. With the aside that Asimov *wanted* to write stories about robots getting around the Laws, so their failure was good for his plots.

Why don't rule-based approaches work?

Because rules need interpretation, and interpretation is where all the difficulty lives. "Do not harm a human" requires knowing what counts as harm, over what time horizon, weighed against what benefit, with what certainty — and every one of those judgements is the actual ethical problem, now hidden inside a word. Asimov understood this better than his readers: every Robot story is a demonstration that the Laws underdetermine behaviour. The stories are the counterexample, not the proposal.

What's the community saying?

295 likes
  1. The observation that the Laws were designed to fail is the one people find clarifying — they are a plot device, not a proposal.
  2. It is a compact argument for why constitutional and training-based approaches are preferred over enumerated prohibitions.
  3. Read against the reward-hacking paper the same day: a model optimising against a stated rule finds the interpretation that scores, which is the Asimov plot exactly.
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