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No reptiles are mammals. Some mammals are not cats. Therefore, some reptiles are

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Question: No reptiles are mammals. Some mammals are not cats. Therefore, some reptiles are not cats. Is this conclusion valid?

Options:

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

Correct Answer: No

Solution: 

The conclusion is not valid because the premises do not provide a direct relationship between reptiles and cats.

No reptiles are mammals. Some mammals are not cats. Therefore, some reptiles are

Practice Questions

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

Questions & Step-by-Step Solutions

No reptiles are mammals. Some mammals are not cats. Therefore, some reptiles are not cats. Is this conclusion valid?
  • Logical Deduction – The ability to draw conclusions based on given premises and understand the relationships between different categories.
  • Categorical Logic – Understanding the relationships between different groups (e.g., reptiles, mammals, cats) and how they interact.
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