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Existence vs Undefined - What's the difference?

existence | undefined |

As a noun existence

is the state of being, existing, or occurring; beinghood.

As an adjective undefined is

lacking a definition or value.

existence

English

(wikipedia existence)

Noun

  • The state of being, existing, or occurring; beinghood.
  • *
    • , title=(The Celebrity), chapter=1 , passage=However, with the dainty volume my quondam friend sprang into fame. At the same time he cast off the chrysalis' of a commonplace ' existence .}}
  • * {{quote-magazine, year=2012, month=March-April, author=(Jeremy Bernstein)
    • , volume=100, issue=2, page=146, magazine=(American Scientist) , title= A Palette of Particles , passage=The physics of elementary particles in the 20th century was distinguished by the observation of particles whose existence had been predicted by theorists sometimes decades earlier.}}
  • Empirical reality; the substance of the physical universe. (Dictionary of Philosophy; 1968)

    • Antonyms

    * nothingness

    Derived terms

    * nonexistence

    Related terms

    * exist * aseity * existential

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined