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Andre Weil first used it in 1939 and got the idea from a letter in the Danish and Norwegian alphabet.

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Q: Who discovered the symbol in empty set?
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Related questions

What is the power set of an empty set?

The power set of the empty has one member, which is the set whose member is the empty set . {phi} ( Actually the symbol for the empty set is the Norwegian letter O which resembles the Greek letter phi but is a different symbol )


What is the symbol for the empty set?

The symbol is a zero with a diagonal line through it.


What is the empty set symbol?

It can be either {} or 0 with a dash through it!


What is the sign for nothing?

The symbol for nothing or an empty set is usually represented as "∅" in mathematics.


Is a empty set a proper subset explain with reason?

An empty set is not a proper subset of an empty set.An empty set is not a proper subset of an empty set.An empty set is not a proper subset of an empty set.An empty set is not a proper subset of an empty set.


What is the meaning of nullset?

A null set, also known as an empty set, is a set with no elements. It is denoted by the symbol Ø or { } and is considered a subset of all sets. The cardinality of a null set is zero.


Which symbol stands for the empty set?

Why, it's a crossed-out zero. I stumbled upon this while trying to copy and paste it.


Is an empty set a subset of itself?

Yes it is. Everything in the empty set (which is nothing of course) is also in the empty set. If it's not in the empty set, it's not in the empty set. The empty set has no propersubsets, though, or subsets that are different from it.


Is an empty set a subset of every set?

Yes,an empty set is the subset of every set. The subset of an empty set is only an empty set itself.


What is the meaning of empty set?

The empty set is the set that contains no elements. (It is the empty set, not an empty set, because there is only one of them. It is a unique mathematical object.)


What is empty set?

difinition of empty set


What isan empty set?

The empty set is a set that has no elements.