as in theory
technical
an idea or statement that can be proved from other ideas or statements
Her theorem was based on years studying the laws of physics.
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Recent Examples of theorem
This simple idea, of searching for an answer, can be taken up a level — to much, much bigger maps, and to much harder problems than navigation, such as solving a complex puzzle or proving difficult mathematical theorems.
—
Big Think, 4 Nov. 2025
The team point, for example, to mathematician Kurt Gödel’s first incompleteness theorem, which states that no consistent system of axioms that can be listed by an algorithm that will prove all the truths about the arithmetic of the natural numbers.
—Ian Randall, MSNBC Newsweek, 3 Nov. 2025
The no-go theorems were a warning; QIQD is a blueprint.
—Pravir Malik, Forbes.com, 19 Sep. 2025
The philosopher Carl Lundgren, applying Bayes’s theorem to the probability problem, estimates a likelihood—in Cold War-type geopolitical conditions—of one nuclear war every 74 years, a remarkably close number to this.
—Literary Hub, 12 May 2025
See All Example Sentences for theorem
Big Think, 4 Nov. 2025
The team point, for example, to mathematician Kurt Gödel’s first incompleteness theorem, which states that no consistent system of axioms that can be listed by an algorithm that will prove all the truths about the arithmetic of the natural numbers.
—Ian Randall, MSNBC Newsweek, 3 Nov. 2025
The no-go theorems were a warning; QIQD is a blueprint.
—Pravir Malik, Forbes.com, 19 Sep. 2025
The philosopher Carl Lundgren, applying Bayes’s theorem to the probability problem, estimates a likelihood—in Cold War-type geopolitical conditions—of one nuclear war every 74 years, a remarkably close number to this.
—Literary Hub, 12 May 2025
See All Example Sentences for theorem
Recent Examples of Synonyms for theorem
Noun
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Those are, indeed, pat, credible theories and predictions.—
Théoden Janes,
Charlotte Observer,
8 Jan. 2026
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But now, in the planet’s capital city of Apperax, a murder is committed with no suspects, forensics or theories.—
Aaron Couch,
HollywoodReporter,
8 Jan. 2026
Noun
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Apatow doesn’t seem to have come to this film with a thesis and a story and an outline already in hand.—
Bilge Ebiri,
Vulture,
23 Jan. 2026
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Shares have been on a tear despite no new updates on expanding the company's schizophrenia drug, Cobenfy, to treat Alzheimer's — a key to our investment thesis.—
Paulina Likos,Morgan Chittum,
CNBC,
22 Jan. 2026
Cite this Entry
“Theorem.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/theorem. Accessed 28 Jan. 2026.
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