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 began 50 years ago, when mathematicians used a computer to prove the four-color theorem, which asks whether any map can be colored using no more than four colors, with no adjacent regions sharing the same color.
—
Benjamin Skuse,
IEEE Spectrum,
25 June 2026
This question led the mathematician to develop her theorems.
—
Manon Bischoff,
Scientific American,
23 June 2026
That morning — to his evident delight — an AI had proved one of Paul Erdős’ mathematical theorems using a branch of mathematics nobody had thought to apply.
—
Nick Lichtenberg,
Fortune,
1 June 2026
Using insights from number theory, including Jacobi’s two-square theorem, Erdős was able to show that an optimally sized circle will enable the number of unit-distance pairs to grow faster than the number of points, but only barely.
—
ArsTechnica,
1 June 2026
See All Example Sentences for theorem
Benjamin Skuse,
IEEE Spectrum,
25 June 2026
This question led the mathematician to develop her theorems.
—
Manon Bischoff,
Scientific American,
23 June 2026
That morning — to his evident delight — an AI had proved one of Paul Erdős’ mathematical theorems using a branch of mathematics nobody had thought to apply.
—
Nick Lichtenberg,
Fortune,
1 June 2026
Using insights from number theory, including Jacobi’s two-square theorem, Erdős was able to show that an optimally sized circle will enable the number of unit-distance pairs to grow faster than the number of points, but only barely.
—
ArsTechnica,
1 June 2026
See All Example Sentences for theorem
Recent Examples of Synonyms for theorem
Noun
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Germ theory also emerged in the late 1800s, in which scientists discovered that germs caused disease.
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The two budding geniuses would sit in Charles’ apartment for hours, talking music theory and analyzing records, though Jones’s curiosity occasionally exhausted Charles.
Noun
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GameStop's takeover pursuit adds a headline catalyst, but the more durable thesis is that eBay's own operating momentum is improving.
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The thesis rests on a claim that would have sounded absurd a year ago.
Cite this Entry
“Theorem.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/theorem. Accessed 5 Jul. 2026.
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