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No fish are mammals. Some mammals are not birds. Therefore, no fish are birds. I

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Question: No fish are mammals. Some mammals are not birds. Therefore, no fish are birds. Is this conclusion valid?

Options:

  1. Yes
  2. No
  3. Only if all mammals are fish
  4. Only if some fish are mammals

Correct Answer: No

Solution: 

The conclusion is not valid. The premises do not support the conclusion that no fish are birds.

No fish are mammals. Some mammals are not birds. Therefore, no fish are birds. I

Practice Questions

Q1
No fish are mammals. Some mammals are not birds. Therefore, no fish are birds. Is this conclusion valid?
  1. Yes
  2. No
  3. Only if all mammals are fish
  4. Only if some fish are mammals

Questions & Step-by-Step Solutions

No fish are mammals. Some mammals are not birds. Therefore, no fish are birds. Is this conclusion valid?
  • Logical Reasoning – The question tests the ability to evaluate the validity of conclusions based on given premises.
  • Syllogism – The question involves understanding syllogistic reasoning, where conclusions are drawn from two or more premises.
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