Heine-Borel theorem
短语释义与例句
name
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1.
A theorem which states that for any subset S of an n-dimensional Euclidean space, S is compact if and only if it is both closed and bounded.
数学
词源
Named after the German mathematician Eduard Heine (1821–1881) and the French mathematician Émile Borel (1871–1956).
来源:wiktionary