2011 · Q54
If we know that 'some utensils are not microwave-safe' is true, it follows that
general-mental-abilitylogical-reasoning
- A'some utensils are microwave-safe' may be also true
- B'no utensils are microwave-safe' must be true
- C'no utensils are microwave-safe' must be false
- D'if anything is a utensil, it must be micro wave-safe' must be true
Explanation
If 'some utensils are not microwave-safe' is true, then the universal claim 'no utensils are microwave-safe' cannot also be true... i.e. it must be false (some may still be microwave-safe).