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Artificial Intelligence  /  AI 0296  ·  Atom · ~20 seconds

The 1,000-Worlds Method

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To compute with degrees of belief, imagine 1,000 parallel cases distributed exactly as you believe, and count.

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Believe 0.3 in rain tomorrow: then in 300 of your 1,000 imagined tomorrows it rains, and any question becomes counting.

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The translation runs both ways — beliefs to counts before computing, counts back to a fraction after.