prova dos nove

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Portuguese[edit]

Noun[edit]

prova dos nove f (plural provas dos nove)

  1. (arithmetic) the procedure of casting out nines
  2. (logic, rhetoric) a definitive proof of the point stated
    • 2010 July 21, Martha Beck, Extra:
      O seguro está muito bem modelado e a prova dos nove é que a inadimplência é baixa.
      (please add an English translation of this quotation)
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