Schröder-Bernstein theorem

American

[shroh-der-burn-steen, -stahyn, shray-] / ˈʃroʊ dərˈbɜrn stin, -staɪn, ˈʃreɪ- /

noun

Mathematics.

the theorem of set theory that if two sets are so related that each can be placed in one-to-one correspondence with a subset of the other, then the sets are equivalent.

Etymology

Origin of Schröder-Bernstein theorem

After Ernst Schröder (1841–1902), German logician and mathematician; Bernstein is unidentified

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Schröder-Bernstein theorem

What is known as the Schröder-Bernstein theorem was used, long before Bernstein or Schröder, by Edward Thurlow, afterward the law-lord Lord Thurlow, when an undergraduate of Caius College, Cambridge.

From The philosophy of B*rtr*nd R*ss*ll by Various

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023