Osgood's lemmaOsgood's lemmaProposition in complex analysisIn mathematics, specifically complex analysis, Osgood's lemma states that a continuous function of several complex variables that is holomorphic in each variable separately is itself holomorphic. It was introduced by William Fogg Osgood in 1899.Read it on Wikipedia ยท Version rolledBasicBottom 28%25,561SPBadges13 earned๐งฎEquationObscure+17,503 SPHas a math formula.โ๏ธApostropheNotable+3,118 SPTitle has an apostrophe.๐งทLone SourceBasic+916 SPExactly one footnote.Basic10๐BilingualโฐStuck in a Loop๐ No Aliases๐ฑStub-Class๐Faceless๐Clean Record๐Cites a Book๐งณForeign Press๐ฌPeer Reviewed๐Google Books