This article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of mathematics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MathematicsWikipedia:WikiProject MathematicsTemplate:WikiProject Mathematicsmathematics articles
Since "this definition is valid for any function", do you think that this page should be merged into open and closed maps? --Erel Segal (talk) 10:26, 9 December 2014 (UTC)Reply
