Bayes' theorem

Meaning

Proper Noun

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

Related

Similar words

• Bayes' law, Bayes' rule

Origin

• 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' work but was apparently unaware of it.