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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?
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