Syllogisms · Question 9 · Medium
Syllogisms question 9
Statements:
All stars are planets.
All planets are moons.
No moon is a comet.
Conclusions:
I. No star is a comet.
II. Some moons are stars.
Assuming the statements to be true, which conclusion(s) logically follow(s)?
- Only conclusion I follows
- Only conclusion II follows
- Both I and II follow
- Neither I nor II follows
Answer and explanation
Answer: C. Both I and II follow
Explanation: Stars ⊂ planets ⊂ moons, and moons share nothing with comets, so no star is a comet. All stars are moons, so some moons are stars. Both follow.
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