Meaningless statement
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A meaningless statement is a statement which posits nothing of substance which can be agreed or disagreed with. In the context of logical fallacies, the inclusion of a meaningless statement in the premises of the argument will undermine the validity of the argument since the premise can neither be confirmed or falsified.
It can be difficult to prove that a statement is meaningless because such statements are often offered in bad faith.
There are many classes of meaningless statement:
- A statement in argumentation may be considered meaningless because it draws a distinction without a difference, that is, asserts that two categories are disjoint without proposing a way to distinguish among them. For instance, the claim, "Pornography is different from erotica, but not in any particular way I can explain," may be considered to draw a distinction that makes no difference.
- A purported statement may be meaningless if its terms are undefined, or (more precisely) if it contains unbound variables. For instance, the sentence "All of the fronnicks have three sazzles apiece" is meaningless if the terms fronnick and sazzle are undefined (or unbound).
- A grammatically correct sentence may be meaningless if it ascribes properties to particulars which admit of no such class of properties. For instance, in the famous sentence "Colorless green ideas sleep furiously," the property of green color is ascribed to ideas, which do not have color.
- An ungrammatical sentence admits of no meaning. For instance, the string of words "deities Olympus Greek reside The. upon" forms no sentence, and cannot be said to have meaning as such.
- Adherents to various forms of positivism regard a statement as meaningless if it cannot be verified or falsified. For instance, Thomists make statements about undetectable essences of things, which by definition can never be sensed or perceived; positivists regard such statements as without meaning.
- Sometimes grammatical tinkering is used in order to cover attributes with stigma. "No, Richard isn't a criminal, he only commits illegitimate acts". (By definition a criminal is someone who commits illegitimate acts).
Examples:
- "An orange is an apple which has many idiosyncratic features such as color, texture, taste, internal structure and chemical composition."
- "I am wearing clothes made of totally unobservable fibers."
- Some claim that statements about "the existence of God" are inherently meaningless.
- In conversation:
- Arthur:Global warming may cause problems with ocean currents if fresh water from Greenland mix with salt water in the Atlantic ocean.
- Steven: I don't know, I heard of a lake that's half freshwater and half saltwater.
