Bayesian belief updating
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Publication dates and source age
Sources counted: 1
Newest dated source: 2009-03-16
Assessed at this edition's evidence cutoff: 2026-09-15. 18-month boundary: 2025-03-15.
Publication age does not tell us whether a claim is still valid. Reading an old source again does not make its publication date newer. An update date does not establish that the passage we used was updated.
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In plain language
Adjusting confidence in an idea by asking how well new evidence fits it compared with alternatives. [1]
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Limits & distinctions
A probability estimate is not a measured fact. Your starting assumptions, the explanations you compare and the quality of the evidence still matter. [1]
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A fuller explanation
Start with how plausible you think an explanation is. When new evidence arrives, update that judgment by asking how likely the evidence would be under that explanation compared with alternatives. [1]
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How it relates to the map
A way to reason about uncertainty; it does not supply the starting assumptions or settle AI timelines by itself. [1]
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https://theaiatlas.org/ideas/bayesian/
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Sources and what we read
1. What Do We Mean By Rationality?
Source is over 18 months old.
Publication dates and source age
Sources counted: 1
Newest dated source: 2009-03-16
Assessed at this edition's evidence cutoff: 2026-09-15. 18-month boundary: 2025-03-15.
Publication age does not tell us whether a claim is still valid. Reading an old source again does not make its publication date newer. An update date does not establish that the passage we used was updated.
Read the epistemic/instrumental distinction and discussion of Bayesian reasoning. A proposed practice, not a verified trait of participants.
Edition and machine-readable evidence
Content version 0.20.0. Evidence cutoff 2026-09-15; this does not mean every source was read on that day.
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