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tautology

[ UK /tɔːtˈɒləd‍ʒi/ ]
NOUN
  1. (logic) a statement that is necessarily true
    the statement `he is brave or he is not brave' is a tautology
  2. useless repetition
    to say that something is `adequate enough' is a tautology

How To Use tautology In A Sentence

  • Firstly, on the basis of implication, originating from the limited Disturbing Fuzzy Propositional Logic, discusses its logic algebra and the properties of its generalized tautology.
  • As Donald Gillies (1972, 6 “ 7) emphasizes, if we accept the most extreme kind of operationalism, there is no point in asking whether a measurement method is valid; if the measurement method defines the concept and there is nothing more to the meaning of the concept, the measurement method is automatically valid, as a matter of convention or even tautology. Operationalism
  • Installation views of past exhibitions, monumentalized and themselves turned into works of art on the walls of the museum, create a self-referential tautology-successful from the curatorial standpoint, spectacular in terms of the installation-and lead viewers deep into the artist's weltanschauung. Artforum.com
  • Tautology and absurdity are never far apart in Harry's spiels, but this one takes some beating.
  • Despite only having three axiom schemata and a single inference rule, it is possible to prove any tautology in the simple Propositional Calculus, PC.
  • Strengthening is a special case of transitivity, in which the missing premise is a tautology: if C & A then A; if A, B; so if C & A, B.
  • It doesn't affect the validity of the statement, so you can include it without destroying your tautology.
  • Some authors treated the quantity theory as a matter of causal relation and explanation, often differing as to the content and direction of explanation, whereas others saw it as a truism, identity or tautology.
  • By your facile tautology, I could tell you that I am omnipotent God and as such I have chosen to hide from you the evidence of my transcendent almightiness -- Wired Top Stories
  • At times the unrhymed lines slip into tautology, but such moments are rare. The Times Literary Supplement
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