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Not an Element Of Symbol

Not an Element Of ∉

U+2209 • set-theory

Not an Element Of Symbol

The not an element of symbol (∉) used in set theory and mathematics to indicate that an object is not a member of a specified set. It negates the membership relation between an element and a set.

The Symbol For Not an Element Of (∉) is a unicode character in the Basic Multilingual Plane Plane. It is found in the Mathematical Operators block and was approved as part of Unicode Version 1.1 in 1993

set-theorymathematicssymbolnot-element-ofnon-membershipsetnotationlogicrelationnegation

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  • Full Name: Not an Element Of
  • Plane: Basic Multilingual Plane
  • Block: Mathematical Operators
  • Unicode: U+2209
  • Unicode Version: 1.1
  • Year Added: 1993