Match LIST I with LIST II. LIST I (Square of Opposition) LIST II (Result) A.…
2024
Match LIST I with LIST II.
LIST I (Square of Opposition) | LIST II (Result) | ||
|---|---|---|---|
A. | If I is given as true | I. | E and I are undetermined |
B. | If I is given as false | II. | E is false; A is undetermined |
C. | If O is given as true | III. | A is false; E is true |
D. | If O is given as false | IV. | E is false |
Choose the correct answer from the options given below:
Answer: B. A–II, B–III, C–I, D–IV — ConceptIn the traditional square of opposition, A and O are contradictories, as are E and I: each contradictory pair must have opposite truth values. A and E…
- A.
A–III, B–IV, C–I, D–II
- B.
A–II, B–III, C–I, D–IV
- C.
A–I, B–IV, C–II, D–III
- D.
A–IV, B–I, C–III, D–II
Show answer & explanation
Correct answer: B
Concept
In the traditional square of opposition, A and O are contradictories, as are E and I: each contradictory pair must have opposite truth values.
A and E are contraries, I and O are subcontraries, and subalternation transmits truth downward from A to I and from E to O, while falsity moves upward from I to A and from O to E.
Application
For A, I is true. Its contradictory E is false, while the superaltern A remains undetermined. Therefore A pairs with II.
For B, I is false. Its contradictory E is true, and falsity moves upward from I to A, so A is false. Therefore B pairs with III.
For C, O is true. Its contradictory A is false, while E and I remain undetermined. Therefore C pairs with I.
For D, O is false. Its contradictory A is true, and falsity moves upward from O to E, so E is false. Therefore D pairs with IV.
Cross-check and contrast
The four derived pairs are A–II, B–III, C–I, and D–IV; each result label is used exactly once.
A–III, B–IV, C–I, D–II assigns III instead of II to the I-true case, IV instead of III to the I-false case, and II instead of IV to the O-false case.
A–I, B–IV, C–II, D–III assigns indeterminacy to the I-true case and reverses both O-case consequences.
A–IV, B–I, C–III, D–II assigns the O-true consequence to C incorrectly and does not preserve the contradictory relations.
Hence the matching is A–II, B–III, C–I, D–IV.