In mathematical logic, a tautology (from Ancient Greek: ταυτολογία) is a formula that is true regardless of the interpretation of its component terms, with only the logical constants having a fixed meaning. It is …

The meaning of TAUTOLOGY is needless repetition of an idea, statement, or word. How to use tautology in a sentence.

TAUTOLOGY definition: 1. the use of two words or phrases that express the same meaning, in a way that is unnecessary and…. Learn more.

Tautology is the needless repetition of a single concept. In other words, it is saying the same thing twice in different words. The following are examples of tautology: a single bachelor, PIN number, ATM …

Aug 12, 2025 · Tautology in mathematics is a compound statement that always evaluates to true, regardless of the truth values of its individual components. This concept is fundamental in …

What does tautology mean? A tautology is the unnecessary repetition of an idea, statement, or word whose meaning has already been expressed, as in 8 a.m. in the morning.

A Tautology is a statement that is always true because of its structure—it requires no assumptions or evidence to determine its truth. A tautology gives us no genuine information because it only repeats …

A tautology is a formula or assertion that is true in every possible interpretation, regardless of the truth values of its components. This characteristic makes it an essential concept in propositional logic and …

Tautology, in logic, a statement so framed that it cannot be denied without inconsistency. The notion was first developed in the early 20th century by the American philosopher Charles Sanders Peirce, …

A tautology is when you say something that is always true, no matter what. It is usually because the words repeat the same idea or because it's just true by itself.