valid

  1. Adjective.  Well grounded or justifiable, pertinent.
  2. Adjective.  Acceptable, proper or correct.
  3. Adjective.  Related to the current topic, or presented within context, relevant.
  4. Adjective.  (logic) A formula or system that evaluates to true regardless of the input values.
  5. Adjective.  (logic) An argument whose conclusion is always true whenever its premises are true.

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This entry was last updated on RefTopia from its source on 3/20/2012.