Look up: tautology

1. Tautology
   [rhetoric] Tautology (from Greek tauto, "the same" and logos, "word/idea") is an unnecessary repetition of meaning, using dissimilar words that effectively say the same thing (often originally from different languages). It is considered a fault of style and was defined by Fowler as "saying t...
   Found on http://en.wikipedia.org/wiki/Tautology_(
   
   
2. Tautology
   [logic] Tautologies are a key concept in propositional logic, where a tautology is defined as a propositional formula that is true under any possible Boolean valuation of its propositional variables. A key property of tautologies in propositional logic is that an effective method exists for ...
   Found on http://en.wikipedia.org/wiki/Tautology_(
   
   
3. tautology
   a repetition a redundancy 
   Found on http://www.graduateshotline.com/list.htm
   
   
4. Tautology
   repetition of an idea in a different word, phrase, or sentence.
   *With malice toward none, with charity for all. Lincoln, Second Inaugural
   Found on http://www.uky.edu/AS/Classics/rhetoric.
   
   
5. tautology
   [n] - (logic) a statement that is necessarily true 2. [n] - useless repetition
   Found on http://www.webdictionary.co.uk/definitio
   
   
6. Tautology
   use of an extra word in a phrase or sentence which unnecessarily repeats an idea: this annual event is staged yearly, this unacceptably poor work is of a low standard.
   Found on http://www.standards.dfes.gov.uk/primary
   
   
7. tautology
   a trivially true clause containing the subexpression A V A Category: Automation (includes telecommunications and computers)
   Found on http://www.mijnwoordenboek.nl/definition
   
   
8. Tautology
   Tau·tol'o·gy noun [ Latin tautologia , Greek ...: confer French tautologie .] (Rhet.) A repetition of the same meaning in different words; needless repetition of an idea in different words or phrases; a representation of anything as...
   Found on http://www.encyclo.co.uk/webster/T/15
   
   
9. tautology
   <study> A repetition of the same meaning in different words; needless repetition of an idea in different words or phrases; a representation of anything as the cause, condition, or consequence of itself, as in the following lines: 'The dawn is overcast, the morning lowers, And heavily in clouds...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
10. tautology
    noun useless repetition; `to say that something is `adequate enough` is a tautology`
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
11. Tautology
    • (n.) A repetition of the same meaning in different words; needless repetition of an idea in different words or phrases; a representation of anything as the cause, condition, or consequence of itself, as in the following lines: --//The dawn is overcast, the morning lowers,/And heavily in cloud...
    Found on http://thinkexist.com/dictionary/meaning
    
    
12. tautology
    in logic, a statement so framed that it cannot be denied without inconsistency. Thus, `All men are rational` is held to assert with regard to ... [6 related articles]
    Found on http://www.britannica.com/eb/a-z/t/16
    
    
13. tautology
    tautology, tautologies 1. The needless repetition of an idea; especially, in words other than those of the immediate context, without imparting additional force or clearness, as in “widow woman”. 2. The redundant repetition of a meaning in a sentence, using different words. 3. In rhetoric, a ta...
    Found on http://www.wordinfo.info/words/index/inf
    
    
14. tautology
    a statement redundant in itself, such as 'The stars, O astral bodies!'
    Found on http://rpo.library.utoronto.ca/display_r
    
    
15. tautology
    An unnecessary accumulation of words of the same or a similar meaning. In essay papers this is marked 'wrong' or 'superfluous', but in literature it is a figure of style (!).
    Found on http://www.menrath-online.de/glossaryeng
    
    
16. tautology
    
    • (logic) a statement that is necessarily true
    • useless repetition
    
    Found on
    
    
17. tautology
    In mathematics, a logical statement in which the conclusion is equivalent to the premise. According to the school of thought known as logicism, all of mathematics is derived from logic and is thus inherently tautological. Tautology is also the needless, pointless, meaningless, and unwarranted repeti...
    Found on http://www.daviddarling.info/encyclopedi
    
    
18. Tautology
    As a syntactical term of the propositional calculus this is defined in the article on logic, formal (q.v.). Wittgenstein and Ramsey proposed to extend the concept of a tautology to disciplines involving quantifiers, by interpreting a quantified expression as a multiple (possibly infinite) conjunctio...
    Found on http://www.ditext.com/runes/t.html
    
    
19. tautology
    Repetition of the same thing in different words. For example, it is tautologous to say that something is most unique, since unique means that there is only one of its kind and so something cannot be described as `more` or `most` unique; something is either unique or not. Other examples a...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
20. tautology
    (logic) A proposition which is always true. Compare: paradox. The Linguistic Smarandache Tautologies, (http://gallup.unm.edu/~smarandache/tautolog.txt). (1999-07-28)
    Found on http://foldoc.org/tautology