Categorical Propsitions and the Square of Opposition
- Categorical Proposition
- subject term
- predicate term
- universal proposition
- particular proposition
- Venn Diagram
- Square of Opposition
- immediate inference
- existential fallacy
- Illicit Contrary
- Illicit Subcontrary
- Illicit Subalternation
- Conditional Validity
Things to Know:
- Are you prepared to identify the subject, predicate, quality, quantity, and distribution
of categorical propositions?
- Can you identify the difference between Universal and Particular propositions?
- Can you identify the difference between affirmative and negative propsitions?
- Do you know the vowels that represent the four Categorical Propositions?
- Can you use Venn Diagrams to illustrate the four Categorical Propositions?
- Can you translate ordinary statements into Categorical form?
- Do you know how to make immediate inferences based on Aristotle’s Square of Opposition?
- Do you know how to test an argument for validity using immediate inference?
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