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
There’s no way to be sure who really authored this theorem.
—
Cody Cottier, Discover Magazine, 3 Dec. 2024
Two people had previously proved the theorem using trigonometry: Jason Zimba in 2009 and Nuno Luzia in 2015.
—Alexa Robles-Gil, Smithsonian Magazine, 30 Oct. 2024
But the rest of me won’t entertain that theorem for long.
—Jonah Walters, Longreads, 24 Oct. 2024
Although the Pythagorean theorem has been proved with algebra and geometry, mathematicians previously thought that it couldn’t be proved using trigonometry.
—Alexa Robles-Gil, Smithsonian Magazine, 30 Oct. 2024
See all Example Sentences for theorem 
Cody Cottier, Discover Magazine, 3 Dec. 2024
Two people had previously proved the theorem using trigonometry: Jason Zimba in 2009 and Nuno Luzia in 2015.
—Alexa Robles-Gil, Smithsonian Magazine, 30 Oct. 2024
But the rest of me won’t entertain that theorem for long.
—Jonah Walters, Longreads, 24 Oct. 2024
Although the Pythagorean theorem has been proved with algebra and geometry, mathematicians previously thought that it couldn’t be proved using trigonometry.
—Alexa Robles-Gil, Smithsonian Magazine, 30 Oct. 2024
See all Example Sentences for theorem
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“Theorem.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/theorem. Accessed 20 Jan. 2025.
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