Math, asked by nabi108, 10 months ago

What is its meaning??

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Answered by rusha260903
0

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This is a membership sign, given by Giuseppe Peano in 1894..

The symbol ∈ indicates set membership and means “is an element of” so that the statement x∈A means that x is an element of the set A. In other words, x is one of the objects in the collection of (possibly many) objects in the set A.

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