decidable

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English[edit]

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Adjective[edit]

decidable (comparative more decidable, superlative most decidable)

  1. capable of being decided.
  2. (computer science) describing a set for which there exists an algorithm that will determine whether any element is or is not within the set in a finite amount of time.
    It is easy to show that the set of even numbers is decidable by creating the relevant Turing machine.
  3. (logic) in intuitionistic logic, a proposition P is decidable in a given theory if it can be proven from the theory that "either P or not P", i.e. in symbols:  P \vee \neg P .[1]

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References[edit]

  1. ^ http://plato.stanford.edu/entries/logic-intuitionistic/