noun the saying of the same thing twice in different words, generally considered to be a fault of style
In philosophy, a tautology is a statement that is true by definition or self-evident.
In logic, a tautology is a statement that is true in every possible interpretation.
In mathematics, a tautology is a formula that is true regardless of the truth values of its variables.
In linguistics, a tautology is the unnecessary repetition of the same meaning in different words.
In rhetoric, a tautology is a statement that is redundant or circular in reasoning.
In writing, tautology is used to emphasize a point or idea by restating it in a slightly different way. It can also be used to create a rhythmic effect in poetry or prose.
In psychology, tautology can be used to describe circular reasoning or a logical fallacy where the conclusion of an argument is already contained in the premises. It is important for psychologists to recognize and avoid tautological reasoning in their research and clinical practice.
In law, tautology can be used to strengthen an argument by repeating key points or arguments. However, lawyers must be careful not to rely too heavily on tautological reasoning as it can weaken their case or make their arguments less persuasive.
In science, tautology can be used to define terms or concepts in a clear and precise manner. It can also be used to reinforce key ideas or principles in scientific research and theory. However, scientists must be cautious not to use tautological reasoning to support unfounded claims or circular arguments.