Understanding the Square of Opposition

What is the relationship between universal affirmative and universal negative propositions called?

• Subcontrary

• Contrary

• Subalternation

• Contradictory

What is the relationship between particular affirmative and particular negative propositions?

• Subalternation

• Subcontrary

• Contradictory

• Contrary

Which type of propositions have the same quality in subalternation?

• None of the above

• Particular affirmative and particular negative

• Universal affirmative and universal negative

• Universal and particular

Which of the following is an example of a universal affirmative proposition?

• Some students are not brilliant

• No students are brilliant

• All students are brilliant

• Some students are brilliant

If a universal proposition is true, what can be said about its particular counterpart in subalternation?

• It is false

• It is doubtful

• It is true

• It is contradictory

What happens to the universal proposition if the particular proposition is false in subalternation?

• The universal is true

• The universal is false

• The universal is doubtful

• The universal is contradictory

In the example 'All jasmine flowers are white', what is the truth value of 'Some jasmine flowers are white' if the universal is true?

• Contradictory

• Doubtful

• True

• False

If 'No teachers are lazy' is false, what is the truth value of 'Some teachers are not lazy'?

• Contradictory

• Doubtful

• False

• True

What is the result when 'Some fruits are not delicious' is true in terms of its universal counterpart?

• The universal is doubtful

• The universal is true

• The universal is contradictory

• The universal is false

What is the effect on the universal proposition if the particular proposition is true in subalternation?

• The universal is true

• The universal is false

• The universal is doubtful

• The universal is contradictory