tautology

nounC2

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Danh từ

noun

Plural noun:

tautologies

1.
(rhetoric, uncountable)Redundant use of words, a pleonasm, an unnecessary and tedious repetition.
It is tautology to say, "Forward Planning".
2.
(countable, rhetoric)An expression that features tautology.
The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".
3.
(countable)(countable, logic, propositional logic) A statement that is true for all truth values of its propositional variables.
4.
(countable)(countable, logic, first-order logic) A statement that is true for all truth values of its Boolean atoms.

Từ liên quan

Trái nghĩa

contradiction in termscontradiction oxymoronin logic contradictionliterary oxymoron

Cùng gốc / liên quan

tautismtautologize tautological tautologically tautologise tautologist tautologous tautologously contingency contradictionin logic contingency, contradictionpleonasm redundancy

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Nguồn gốc từ

From la-lat tautologia, from grc ταὐτολογία from ταὐτός (the same) + λόγος (explanation). tauto-.