English Explanatory Dictionary

Bayes' theorem

English dictionary entry

Meanings

name
  1. A theorem expressed as an equation that describes the conditional probability of an event or state given prior knowledge of another event.

Word forms

Bayes' theorem Bayes theorem Bayes's theorem

Etymology

Named after English mathematician Thomas Bayes (1701–1761), who developed an early formulation. The modern expression of the theorem is due to Pierre-Simon Laplace, who extended Bayes's work but was apparently unaware of it.

Synonyms

Bayes' law Bayes' rule

Related words

Bayesian conditional probability Laplacean posterior probability prior probability priors posteriors
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