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arxiv: 0908.3212 · v2 · pith:URJYGC3Nnew · submitted 2009-08-21 · ⚛️ physics.data-an · cs.AI

Quantifying Rational Belief

classification ⚛️ physics.data-an cs.AI
keywords axiomsbeliefprobabilityrationaltheoryaddressedapproachbeen
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Some criticisms that have been raised against the Cox approach to probability theory are addressed. Should we use a single real number to measure a degree of rational belief? Can beliefs be compared? Are the Cox axioms obvious? Are there counterexamples to Cox? Rather than justifying Cox's choice of axioms we follow a different path and derive the sum and product rules of probability theory as the unique (up to regraduations) consistent representations of the Boolean AND and OR operations.

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