Tautology

Pronunciation: /tɔˈtɑlədʒi/

Definitions of tautology

noun the saying of the same thing twice in different words, generally considered to be a fault of style

Example Sentences

A1 A tautology is a statement that is always true.

A2 In logic, a tautology is a formula that is true in every possible interpretation.

B1 The concept of tautology is often used in mathematics and computer science.

B2 Understanding tautologies is essential in the field of formal logic.

C1 Philosophers have debated the implications of tautologies for centuries.

C2 The use of tautologies in rhetoric can be a powerful tool for persuasion.

Examples of tautology in a Sentence

formal The statement 'the sun will rise tomorrow' is a tautology because it is always true.

informal Saying 'I am who I am' is kind of a tautology, don't you think?

slang It's like saying 'duh, obviously' - total tautology.

figurative Her constant need for validation is a tautology of her insecurity.

Grammatical Forms of tautology

• plural: tautologies
• comparative: more tautological
• superlative: most tautological
• present tense: tautologizes
• future tense: will tautologize
• perfect tense: has tautologized
• continuous tense: is tautologizing
• singular: tautology
• positive degree: tautological
• infinitive: to tautologize
• gerund: tautologizing
• participle: tautologized

Origin and Evolution of tautology

First Known Use: 1656 year

Language of Origin: Greek

Story behind the word: The word 'tautology' originated from the Greek word 'tautologia', which is a combination of 'tauto' meaning 'the same' and 'logia' meaning 'saying'.

Evolution of the word: Originally used in logic to refer to a statement that is true by necessity or repetition, the term 'tautology' has evolved to also describe redundant or unnecessary repetition in language or writing.