Traditional Square of Opposition: Categorical Logic - PHILO-notes

These notes discuss in detail the nature and dynamics of the traditional square of opposition in categorical logic. Two categorical propositions stated in standard form having the same subject and predicate terms may differ in either quantity and quality or both. The term “opposition” is used by logicians to illustrate these differences. However, “opposition” should

The Traditional Square of Opposition (Stanford Encyclopedia of Philosophy)

Square of Opposition (Part 1): Contrary

Chapter 3 – Revised Fundamental Methods of Logic

Logic - Square of Opposition (Traditional) Diagram

The Traditional Square of Opposition - ppt download

How to Symbolize Arguments in Propositional Logic? - PHILO-notes

Square of Opposition (Part 3): Subalternation

Logic @ AIP: Chapter 4 Notes

Critical Thinking Lecture 9 The Square of Opposition - ppt video online download