Quick Answer: What Is A Tautological Argument?

What does tautology mean in logic?

In logic, a tautology (from Greek: ταυτολογία) is a formula or assertion that is true in every possible interpretation..

What is oxymoron and give examples?

The most common type of oxymoron is an adjective followed by a noun. One oxymoron example is “deafening silence,” which describes a silence that is so overpowering it almost feels deafening, or extremely loud—just as an actual sound would.

What is a tautological statement?

b : an instance of such repetition The phrase “a beginner who has just started” is a tautology. 2 logic : a statement that is true by virtue of its logical form alone A logical combination of sentences that is always true, regardless of the truth or falsity of the constituent sentences, is known as a “tautology.”—

What is tautological reasoning?

Tautological reasoning is logic that uses the premise as the conclusions, or is too obvious as to be necessary. For example, saying, “When we get a pet we will either get a dog or some other animal” is tautological, as every pet is necessarily either a dog or not a dog.

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 fallacy of begging the question?

The fallacy of begging the question occurs when an argument’s premises assume the truth of the conclusion, instead of supporting it. In other words, you assume without proof the stand/position, or a significant part of the stand, that is in question. Begging the question is also called arguing in a circle. Examples: 1.

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”.

Is tautology a fallacy?

A tautology in math (and logic) is a compound statement (premise and conclusion) that always produces truth. No matter what the individual parts are, the result is a true statement; a tautology is always true. The opposite of a tautology is a contradiction or a fallacy, which is “always false”.

What is the red herring fallacy?

A red herring is something that misleads or distracts from a relevant or important question. It may be either a logical fallacy or a literary device that leads readers or audiences toward a false conclusion.

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.

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.

How do you prove 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 extreme end a tautology?

Like ‘reverse back’, ‘fellow colleagues’, it is tautological, redundant or duplicative.” Answer: … But “extreme end,” from my perspective, isn’t redundant since an “end” is sometimes a continuum, that is, a continuous succession in which no part or portion is distinct or distinguishable from adjacent parts.

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 wrong with tautology?

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.

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 .

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 are tautologies and contradictions?

Definition: A formula is said to be a Tautology if every truth assignment to its component statements results in the formula being true. A formula is said to be a Contradiction if every truth assignment to its component statements results in the formula being false.

What is the opposite of a tautology?

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