in
Notations of in
The in symbol represents the set inclusion relation. It has two arguments, an element and a set. It is used to denote that the element is in the given set.
Descriptions of this symbol
- OpenMath's set1/in
- See 'in' in MathML3
- MathWorld seems not to describe it
- Wikipedia's Setmembership
Observations of the symbol
Put your observations here...
English
We find an example on the right from the English book Discrete mathematics with applications shows that x is an any element in X .
Find the example in page number 120 in google book links
German
In the German book Lineare Algebra we find the symbol which denotes any element in a set in page number 5, and it is called 'Element' in German context.
Go directly to the example in google book links
Dutch
Here we find also an example represents the IN symbol in page 93 in the math book Inzien en bewijzen from Amsterdam university in Dutch context.
Find the book in google books link
Finnish
The math book MAOL-taulukot shows in this example that a is an any element in A in page number 8,
and it is called 'Alkio' in Finnish context.
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