Which of the following propositions are so related that they cannot both be…
2025
Which of the following propositions are so related that they cannot both be false, though they can both be true?
A. Some poems are artworks.
B. All poems are artworks.
C. Some poems are not artworks.
D. Some artworks are poems.
Choose the correct answer from the options given below:
- A.
A and D Only
- B.
A and C Only
- C.
B and C Only
- D.
A and B Only
Attempted by 5 students.
Show answer & explanation
Correct answer: B
The relationship described is that of subcontraries in the Square of Opposition. Proposition A (Some poems are artworks) is an I-proposition, and Proposition C (Some poems are not artworks) is an O-proposition. Subcontraries cannot both be false, though they can both be true.