SQUARE OF OPPOSITION

Question 1

The relation which exists between propositions having the same subject and predicate, but differing in quality, or in quantity, or both.

Answer 1

LOGICAL OPPOSITION

Question 2

What are the four kinds of logical opposition?

Answer 2

CONTRADICTORY, CONTRARY, SUB-CONTRARY, SUB-ALTERN

Question 3

Those having the same subject and predicate, but differ in quantity and quality. (All some, is, is not)

Answer 3

CONTRADICTORY

Question 4

Those that have the same subject, the same predicate, and universal extension, but differ as to quality. (All - All, is, is not)

Answer 4

CONTRARY

Question 5

Those that have the same subject, the same predicate, and particular extension, but differ as to quality. (Some, some, is, is not)

Answer 5

SUB CONTRARY

Question 6

Those that have the same subject, the same predicate and quality, but differ as to quantity (All, some, is is, is not is not)

Answer 6

SUB ALTERN