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The infinity symbol (∞) is a mathematical symbol representing the concept of infinity. This symbol is also called a lemniscate, [1] after the lemniscate curves of a similar shape studied in algebraic geometry, [2] or "lazy eight", in the terminology of livestock branding. [3] This symbol was first used mathematically by John Wallis in the ...
The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
In this usage, infinity is a mathematical concept, and infinite mathematical objects can be studied, manipulated, and used just like any other mathematical object. The mathematical concept of infinity refines and extends the old philosophical concept, in particular by introducing infinitely many different sizes of infinite sets.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
The infinity sign or infinity symbol is commonly typed as , ∞ or ∞. Infinity sign may also refer to Infinity Sign, a 2018 posthumous compilation album of music by Stephen Huss "Infinity Sign" (stylised as ""), a song by Coldplay from their 2021 album Music of the Spheres
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The text of the entry was as follows: Did you know... that the mathematical infinity symbol ∞ may be derived from the Roman numerals for 1000 or for 100 million? A record of the entry may be seen at Wikipedia:Recent additions/2022/March. The nomination discussion and review may be seen at Template:Did you know nominations/Infinity symbol ...
Actual infinity is completed and definite, and consists of infinitely many elements. Potential infinity is never complete: elements can be always added, but never infinitely many. "For generally the infinite has this mode of existence: one thing is always being taken after another, and each thing that is taken is always finite, but always ...