major premiss
Học thuậtThân thiện
Definition
- Noun:
- The premise of a syllogism that contains the major term: In formal logic, a "major premiss" is the first statement in a categorical syllogism. It is the premise that includes the major term, which is the predicate of the conclusion.
Usage
- The "major premiss" is a foundational concept in Aristotelian logic, used to construct a valid deductive argument. It is always paired with a minor premiss to lead to a conclusion.
- It is used in academic, philosophical, and mathematical contexts when discussing logical structures and argument forms.
Examples
- Noun:
- In the syllogism "All men are mortal; Socrates is a man; therefore, Socrates is mortal," the statement "All men are mortal" is the major premiss.
- Identifying the major premiss is the first step in analyzing the validity of a syllogistic argument.
Advanced Usage
- "to serve as the major premiss": to function as the premise containing the conclusion's predicate.
- The universal affirmative statement "All planets orbit a star" can serve as the major premiss in an astronomical argument.
Variants and Related Words
- Major premise: A more common modern spelling variant of "major premiss." The meaning is identical.
- Some logic textbooks use the spelling "major premise" instead.
- Premiss (noun): An alternative, chiefly British, spelling for "premise," meaning a statement or proposition from which another is inferred.
- Syllogism (noun): A form of reasoning in which a conclusion is drawn from two given or assumed propositions (premises).
- Major term (noun): The predicate term of the conclusion of a syllogism, which also appears in the major premiss.
Synonyms
- Major premise: The direct synonym with alternative spelling.
- First premise: In the standard order of a syllogism, it is often the first stated premise.
Notes on Meaning
- The term is highly specific to the field of formal logic. It does not have common everyday meanings.
- The concept is integral to understanding classical deductive reasoning, where the "major premiss" establishes a general rule or principle.
Noun
- the premise of a syllogism that contains the major term (which is the predicate of the conclusion)