syllogistic etymology

Etymology

The word "syllogism" originates from the Greek word "συλλογισμός" (syllogismos), which means "inference" or "conclusion." It is derived from the verb "συλλέγω" (sullégō), meaning "to gather together" or "to reason."

Meaning and Origin

A syllogism is a logical argument that consists of three parts:

  • Major premise: A general statement that asserts a relationship between two categories.
  • Minor premise: A specific statement that asserts that a particular case belongs to one of the categories mentioned in the major premise.
  • Conclusion: A statement that follows logically from the major and minor premises.

The origin of the syllogism can be traced back to ancient Greece, where it was developed by philosophers such as Aristotle. Aristotle argued that syllogisms provide a valid form of reasoning that can be used to establish the truth or falsehood of a proposition.

Example

  • Major premise: All cats are mammals.
  • Minor premise: My pet is a cat.
  • Conclusion: My pet is a mammal.

In this example, the major premise establishes a general relationship between cats and mammals. The minor premise states that a particular case (my pet) belongs to the category of cats. From these two premises, we can logically conclude that my pet is a mammal.

Types of Syllogisms

There are different types of syllogisms, each with its own specific structure and rules of inference. The most common types include:

  • Categorical syllogism: A syllogism that uses categorical propositions (e.g., "All A are B").
  • Conditional syllogism: A syllogism that uses conditional propositions (e.g., "If A then B").
  • Disjunctive syllogism: A syllogism that uses disjunctive propositions (e.g., "Either A or B").
  • Hypothetical syllogism: A syllogism that uses hypothetical propositions (e.g., "If A then B, and A, therefore B").

syllogistic relate terms

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