Which of the following statements are sub-contraries? A. All sparrows are…

2025

Which of the following statements are sub-contraries? A. All sparrows are birds. B. No sparrows are birds. C. Some sparrows are birds. D. Some sparrows are not birds.

  1. A.

    CD

  2. B.

    BD

  3. C.

    AB

  4. D.

    BC

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Show answer & explanation

Correct answer: A

Correct Answer: A Sub-contraries are between I (Some S are P) and O (Some S are not P). They can both be true, but cannot both be false at the same time. Applying this to the options: C. Some sparrows are birds → Particular Affirmative (I) D. Some sparrows are not birds → Particular Negative (O)

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