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Some cars are electric. All electric vehicles are eco-friendly. Therefore, some

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Question: Some cars are electric. All electric vehicles are eco-friendly. Therefore, some cars are eco-friendly. Is this conclusion valid?

Options:

  1. Yes
  2. No
  3. Only if all cars are electric
  4. Only if some eco-friendly vehicles are not cars

Correct Answer: Yes

Solution: 

The conclusion is valid because if some cars are electric and all electric vehicles are eco-friendly, it follows that those cars that are electric must also be eco-friendly.

Some cars are electric. All electric vehicles are eco-friendly. Therefore, some

Practice Questions

Q1
Some cars are electric. All electric vehicles are eco-friendly. Therefore, some cars are eco-friendly. Is this conclusion valid?
  1. Yes
  2. No
  3. Only if all cars are electric
  4. Only if some eco-friendly vehicles are not cars

Questions & Step-by-Step Solutions

Some cars are electric. All electric vehicles are eco-friendly. Therefore, some cars are eco-friendly. Is this conclusion valid?
  • Logical Deduction – The ability to draw conclusions based on given premises.
  • Syllogism – A form of reasoning where a conclusion is drawn from two given or assumed propositions.
  • Venn Diagrams – A visual tool to represent relationships between different sets.
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