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All mammals have hearts. Some whales are mammals. Therefore, some whales have he

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Question: All mammals have hearts. Some whales are mammals. Therefore, some whales have hearts. Is this conclusion valid?

Options:

  1. Yes
  2. No
  3. Only if all mammals are whales
  4. Only if some whales are not mammals

Correct Answer: Yes

Solution: 

The conclusion is valid because if all mammals have hearts and some whales are mammals, then those whales must have hearts.

All mammals have hearts. Some whales are mammals. Therefore, some whales have he

Practice Questions

Q1
All mammals have hearts. Some whales are mammals. Therefore, some whales have hearts. Is this conclusion valid?
  1. Yes
  2. No
  3. Only if all mammals are whales
  4. Only if some whales are not mammals

Questions & Step-by-Step Solutions

All mammals have hearts. Some whales are mammals. Therefore, some whales have hearts. Is this conclusion valid?
  • Logical Deduction – The ability to draw conclusions based on given premises.
  • Universal and Particular Statements – Understanding the difference between statements that apply to all members of a category and those that apply to some.
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