In the traditional square of opposition, if 'O' is true, then:

A'A' is false; 'E' and 'I' are undetermined

B'A' is false; 'E' and 'I' are true

C'E' is false; 'A' and 'I' are undetermined

D'A', 'E' and 'I' are all true

🔒 Answer hidden — practise on Mcqkart to check yourself and see the explanation.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.