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Fallacy vs Undefined - What's the difference?

fallacy | undefined |

As a noun fallacy

is deceptive or false appearance; deceitfulness; that which misleads the eye or the mind; deception.

As an adjective undefined is

lacking a definition or value.

fallacy

English

(wikipedia fallacy)

Noun

(fallacies)
  • Deceptive or false appearance; deceitfulness; that which misleads the eye or the mind; deception.
  • (logic) An argument, or apparent argument, which professes to be decisive of the matter at issue, while in reality it is not. A specious argument.

    • Derived terms

    * logical fallacy * formal fallacy * informal fallacy

    Related terms

    * fail * fallacious * fallibilist * fallibilism * fallibility * fallible

    See also

    * sophism *

    External links

    * * *

    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