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Definitions

theorem

[thee-er-uhm, theer-uhm] / ˈθi ər əm, ˈθɪər əm /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A fundamental and powerful concept in probability is Bayes’s theorem, developed by the 18th-century statistician Thomas Bayes.

From The Wall Street Journal • Mar. 29, 2026

AI can’t sit with a student after class and talk through a complex theorem until the child finally gets it.

From MarketWatch • Mar. 9, 2026

The Bell theorem refers to how entangled electrons are predicted by quantum mechanics, making them non-local — often referred to as “spooky action at a distance.”

From Salon • Nov. 13, 2024

Known as the "infinite monkey theorem", the mathematical thought-experiment has long been used to explain the principles of probability and randomness.

From BBC • Oct. 31, 2024

As we covered each postulate and theorem, it soon became clear that Dorothy actually understood their derivations better than I did.

From "October Sky" by Homer Hickam