English-Portuguese translations for tautology

• tautologia
  Mas tal afirmação pode ser vista como uma tautologia.But a statement like that is in itself little more than tautology.
  Titubeamos permanentemente numa enorme tautologia e receio muito que esta seja precisamente a política económica que o senhor defende. We keep getting caught in a huge tautology and I am afraid that this is precisely the economic policy which you support.
  Creio que jamais deparei com tão belo exercício de tautologia num documento público.I do not think I have ever come across such a fine exercise in tautology in a public document.

Definition of tautology

• Redundant use of words, a pleonasm, an unnecessary and tedious repetition
• An expression that features tautology
• ''In propositional logic'': a statement that is true for all truth values of its propositional variables. ''In first-order logic'': a statement that is true for all truth values of its Boolean atoms

Examples

• It is tautology to say, "Forward Planning".
• The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".

Related words

• tautological
• tautologic
• tautologically
• tautologist