Question

Using the diagram in your text as a guide, create one original example using an ordinary statement and translating it into standard-form claims (A, E, I and O statements) using the Square of Opposition. Identify the translation and claims in your example using the corresponding letter.

a. For each corresponding standard-form claim, explain how you identified the translation and corresponding claims and their relationship to one another based on the relationships depicted on the square. In other words, explain why each choice of claim in your example is correct for that particular relationship.

Answer 1

A,E,I,O in square of opposition:

A: Universal affirmative:

Example:

All men are pigs.

E: Universal negative

Example:

No women are servent.

I: Particular affirmative:

Example:

Some guys are jerks.

O: Particular negative:

Example:

Some people are not believer.

1. Contrary:

Contrary is the relationship between two proposition when they can not both be true. Then we can immediately determine one is true and other must be false. This law hold A and E preposition.

2. Sub contrary:

Sub contrary logic is the indicated for they can not be false at once, and also they may be true together.

3. Sub alternation:

In sub alternation Immediate interference made between A and I.