3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Tautology \Tau*tol"o*gy\, n. [L. tautologia, Gr ?: cf F.
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 the cause condition, or
consequence of itself as in the following lines:
The dawn is overcast, the morning lowers, And heavily
in clouds brings on the day --Addison.
Syn: Repetition.
Usage: {Tautology}, {Repetition}. There may be frequent
repetitions (as in legal instruments) which are
warranted either by necessity or convenience; but
tautology is always a fault, being a sameness of
expression which adds nothing to the sense or the
sound.
From WordNet r 1.6 [wn]:
tautology
n 1: (in 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"
From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]:
tautology
A {proposition} which is always true.
Compare: {paradox}.
{The Linguistic Smarandache Tautologies,
(http://www.gallup.unm.edu/~smarandache/tautolog.txt)}.
(1999-07-28)
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