Cognitive Scaffold

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MENTAL MODEL · M6118

Laplace's Demon

Laplace's Demon
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

Laplace's Demon (French: Démon de Laplace) was proposed by French mathematician Pierre-Simon Laplace in 1814. A simple description: this intellect, if it knew the exact position and momentum of every atom in the universe, could use Newton's laws to reveal the entire course of cosmic events, including the past and the future.

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Laplace's Demon (French: Démon de Laplace) was proposed by French mathematician Pierre-Simon Laplace in 1814. A simple description: this intellect, if it knew the exact position and momentum of every atom in the universe, could use Newton's laws to reveal the entire course of cosmic events, including the past and the future.

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Laplace's Demon is an omniscient intelligence conceived by Laplace; if it knew the states and laws of all particles in the universe, it could predict everything in the future, symbolizing classical determinism. It was later undermined by quantum uncertainty and chaos.

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Source support: Explicit

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E6%8B%89%E6%99%AE%E6%8B%89%E6%96%AF%E5%A6%96ZH · Explicit
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