Exist
Encyclopedia
Exist may refer to:
  • eXist
    EXist
    eXist is an open source database management system entirely built on XML technology, also called a native XML database. Unlike most relational database management systems, eXist uses XQuery, which is a , to manipulate its data.- eXist Benefits :...

    , an open source database management system built on XML
  • Existence
    Existence
    In common usage, existence is the world we are aware of through our senses, and that persists independently without them. In academic philosophy the word has a more specialized meaning, being contrasted with essence, which specifies different forms of existence as well as different identity...

  • Energetic X-ray Survey Telescope, a proposed hard X-ray imaging all-sky deep survey mission


For a discussion of existence particular to the fields of predicate logic and mathematics, see Existential quantification
Existential quantification
In predicate logic, an existential quantification is the predication of a property or relation to at least one member of the domain. It is denoted by the logical operator symbol ∃ , which is called the existential quantifier...

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