Question: What Does Tautology Mean In Logic?

What does tautology mean?

noun, plural tau·tol·o·gies.

needless repetition of an idea, especially in words other than those of the immediate context, without imparting additional force or clearness, as in “widow woman.” an instance of such repetition.

Logic..

Is a tautology bad?

The standard criticism of tautologies goes like this: because of the the fact that tautologies are necessarily true, they do not tell us anything new about the world. They cannot possibly be wrong; therefore, they do not add to our knowledge. They are redundancies, and they ultimately do not need to be stated.

Is period of time a tautology?

Tautology is: It is important to understand that a period of time can be any length, and your premise that ‘a period of time’ repeats the meaning of extensive is incorrect. This also holds for ‘extensive amounts of time’, since amounts of time holds no indication as to the duration.

What is the difference between tautology and pleonasm?

Pleonasm has a sense of using an unnecessary overabundance of redundant words in one description. Tautology has a sense of saying the exact same in different words, using multiple words with the same meaning.

What is the opposite of a tautology?

tautology. Antonyms: conciseness, brevity, laconism, compression. Synonyms: verbosity, redundancy, needless, repetition, pleonasm, reiteration.

Is close proximity a tautology?

Though close proximity is a fairly common phrase, many people consider it a poor use of English grammar. The word proximity means close or near to, and the addition of the word close is simply repetitive. This makes the phrase close proximity a tautology or redundancy.

What is an example of a tautology?

In grammatical terms, a tautology is when you use different words to repeat the same idea. For example, the phrase, “It was adequate enough,” is a tautology. The words adequate and enough are two words that convey the same meaning. … In other words, the sentence is always true since it includes both possibilities.

How can tautology be prevented?

In order to avoid using tautologies, pay careful attention to the logic of what you are writing….How to Avoid TautologyRe-read and spot tautologies.Delete them, or.Change them to phrases that actually add some information to the first.

What is a tautology statement?

A tautology is a logical statement in which the conclusion is equivalent to the premise. More colloquially, it is formula in propositional calculus which is always true (Simpson 1992, p. 2015; D’Angelo and West 2000, p.

What is a Nemophilist?

Noun. nemophilist (plural nemophilists) (rare) One who is fond of forests or forest scenery; a haunter of the woods.

What does Paradox mean?

noun. a statement or proposition that seems self-contradictory or absurd but in reality expresses a possible truth. a self-contradictory and false proposition. any person, thing, or situation exhibiting an apparently contradictory nature.

How do I know if I have tautology?

If you are given any statement or argument, you can determine if it is a tautology by constructing a truth table for the statement and looking at the final column in the truth table. If all of the truth values in the final column are true, then the statement is a tautology.

Is a tautology always true?

A tautology is a formula which is “always true” — that is, it is true for every assignment of truth values to its simple components. You can think of a tautology as a rule of logic. The opposite of a tautology is a contradiction, a formula which is “always false”.

Which is or that is?

In a defining clause, use that. In non-defining clauses, use which. Remember, which is as disposable as a sandwich bag. If you can remove the clause without destroying the meaning of the sentence, the clause is nonessential and you can use which.

What’s it called when you say the same thing twice?

In literary criticism and rhetoric, a tautology is a statement which repeats an idea, using near-synonymous morphemes, words or phrases, effectively “saying the same thing twice”.

Is extreme end a tautology?

By the way… ‘Extreme end’ and ‘extreme limit’ are correct expressions. They are boldly written in the dictionary. Ask Professor Joy Eyisi, she will tell you that these expressions are proper English expressions.

Why is tautology used?

Essentially, a tautology expresses the same thing, idea, or saying repeatedly. There are many reasons people use tautology in both everyday discussion and poetry, research papers, prose, and song lyrics. At times it may be due to inept speakers or inadequacies in a language, or intentional ambiguities .