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In mathematics, a backwards "e" symbol (∃) represents the existential quantifier, which is used in mathematical logic to denote that there exists at least one element in a set that satisfies a given condition. It is often used in statements such as "There exists a real number x such that x > 0." The backwards "e" symbol is commonly used in formal mathematical proofs and logical reasoning.

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The backward capital E (∃) means "there exists".

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14y ago
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Q: What does a backwards e mean in math?
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