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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

By applying advanced mathematical principles, including Gödel's incompleteness theorem, they proved that any consistent and complete model of existence requires what they call "non-algorithmic understanding."

From Science Daily • Nov. 10, 2025

The meaning of life, the laws of general relativity, quantum mechanics, Fermat's last theorem.

From BBC • Oct. 9, 2025

Proclus credits Pythagoras, for example, with discovering the theorem we now call Pythagoras’s theorem, and Menelaus the theorem that is the mathematical foundation for Ptolemaic astronomy.

From "The Invention of Science" by David Wootton




Vocabulary lists containing theorem