Syllogism
A syllogism is a form of logical reasoning in which a conclusion is drawn from two or more premises. It typically presents a major premise (a general statement), a minor premise (a specific statement), and a conclusion that logically follows from the premises. The structure ensures a deductive argument's validity, where the conclusion must be true if the premises are true. Analyzing syllogisms helps evaluate arguments and identify potential flaws in reasoning. They are fundamental to critical thinking and philosophical discourse.
Syllogism meaning with examples
- Major premise: All cats are mammals. Minor premise: Mittens is a cat. Conclusion: Therefore, Mittens is a mammal. This classic example demonstrates a valid syllogism. If the premises hold, the conclusion must be true. It relies on the relationship between sets (cats as a subset of mammals) to reach a logical deduction about an individual.
- Major premise: All humans are mortal. Minor premise: Socrates is a human. Conclusion: Therefore, Socrates is mortal. This presents a fundamental truth explored throughout philosophical texts. The syllogism's structure presents a simple path through the premises. It's a core argument that is easy to examine and understand to improve deductive reasoning.
- Major premise: Every day, there will be sun or rain. Minor premise: Today, it is not raining. Conclusion: Therefore, today there is sun. The example follows the standard syllogism pattern. This simple model shows how one can deduce information from conditions that may be present. As long as the premises are true, then the conclusion will also hold true.
- Major premise: All squares are rectangles. Minor premise: This shape is a square. Conclusion: Therefore, this shape is a rectangle. This example is clear, concise, and demonstrably true given the definitions. The premises clearly define the relationships between different concepts. Therefore, anyone can easily understand the reasoning process and the conclusion.
Syllogism Synonyms
deductive argument
inference
logical deduction
premise-conclusion argument
reasoning
Syllogism Antonyms
fallacy
hasty generalization
inductive reasoning (in some contexts)
non sequitur
speculation