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The definition of a function that is given in this article requires the concept of set, since the domain and the codomain of a function must be a set. This is not a problem in usual mathematics, as it is generally not difficult to consider only functions whose domain and codomain are sets, which are well defined, even if the domain is not ...
This type of citation is usually given as a footnote, and is the most commonly used citation method in Wikipedia articles. A short citation is an inline citation that identifies the place in a source where specific information can be found, but without giving full details of the source. Some Wikipedia articles use it, giving summary information ...
The { {Citation needed}} template aims to promote accountable discourse. To ensure that all Wikipedia content is verifiable, Wikipedia provides a means for anyone to question an uncited claim. If your work has been tagged, please provide a reliable source for the statement, and discuss if needed. You can add a citation by selecting from the ...
Inline citations are usually small, numbered footnotes like this. [1] They are generally added either directly following the fact that they support, or at the end of the sentence that they support, following any punctuation. When clicked, they take the reader to a citation in a reference section near the bottom of the article.
Contents. Help:Citations quick reference. Citations are important in Wikipedia to ensure that information comes from actual, reliable sources ( WP:V, WP:CITE ). There are three preferred ways of citing sources : Citations can also be placed as external links, but these are not preferred because they are prone to link rot and usually lack the ...
For the cite tool, see Special:Cite, or follow the "Cite this page" link in the toolbox on the left of the page in the article you wish to cite. The following examples assume you are citing the Wikipedia article on Plagiarism , using the version that was submitted on July 22, 2004, at 10:55 UTC , and that you retrieved the article on August 10 ...
Elementary function. In mathematics, an elementary function is a function of a single variable (typically real or complex) that is defined as taking sums, products, roots and compositions of finitely many polynomial, rational, trigonometric, hyperbolic, and exponential functions, and their inverses (e.g., arcsin, log, or x1/n). [1]
xkcd webcomic titled "Wikipedian Protester". The sign says: "[CITATION NEEDED]".[1]A citation is a reference to a source. More precisely, a citation is an abbreviated alphanumeric expression embedded in the body of an intellectual work that denotes an entry in the bibliographic references section of the work for the purpose of acknowledging the relevance of the works of others to the topic of ...