tautology Antonyms

Meaning of tautology

Wordnet

tautology (n)

(logic) a statement that is necessarily true

useless repetition

Webster

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 clouds brings on the day. Addison.

tautology Sentence Examples

  1. His statement that "all women are female" is a tautology, as it merely repeats the same idea with different words.
  2. The argument that "running means running" is a tautology, lacking any informative content.
  3. The tautology "all triangles have three sides" is true by definition and provides no new information.
  4. The phrase "a real man is a man who is a man" is a tautology that offers no meaningful distinction.
  5. The proposition "if it's raining, then it's raining" is a tautology, as the premise and conclusion are identical.
  6. The declaration that "a bachelor is an unmarried man" is a tautology, as the terms define each other.
  7. The statement that "all squares are rectangles" is a tautology, as squares are a subset of rectangles.
  8. The expression "a round circle is a circle" is a tautology, as the adjective "round" is a redundant descriptor.
  9. The tautology "all rivers flow" is true by nature, as rivers are defined by their flowing water.
  10. The assertion that "a living organism is an organism that lives" is a tautology, using two words that essentially convey the same meaning.

FAQs About the word tautology

(logic) a statement that is necessarily true, useless repetitionA repetition of the same meaning in different words; needless repetition of an idea in different

repetition, repetitiveness, pleonasm, redundancy, verbalism, circularity, hyperbole, wordage, periphrasis, windiness

concision, conciseness, succinctness, brevity, compactness, conciseness, crispness, succinctness,brevity, terseness

His statement that "all women are female" is a tautology, as it merely repeats the same idea with different words.

The argument that "running means running" is a tautology, lacking any informative content.

The tautology "all triangles have three sides" is true by definition and provides no new information.

The phrase "a real man is a man who is a man" is a tautology that offers no meaningful distinction.