Question 1
Given Conclusion:
No rose is a fruit
Which set of statements can definitely lead to this conclusion?
A. No flower is a fruit; All roses are flowers
B. No fruits are fruit; Some strange are flowers
C. No rose is a fruit; All flower are fruit
D. Insufficient information
Reverse Syllogism Analysis:
Working backwards from conclusion to verify which premises support it.
Given Conclusion: No rose is a fruit
Testing Option A: No flower is a fruit; All roses are flowers
Applying syllogism rules:
Statement 1: No flower is a fruit
Statement 2: All roses are flowers
Combining these gives: No rose is a fruit ✓
Why Other Options Fail:
B. Random statements: No logical connection to conclusion
C. Opposite relationships: Would give contradictory conclusion
D. Insufficient: We CAN determine with proper analysis
Answer: A. No flower is a fruit; All roses are flowers
Working backwards from conclusion to verify which premises support it.
Given Conclusion: No rose is a fruit
Testing Option A: No flower is a fruit; All roses are flowers
Applying syllogism rules:
Statement 1: No flower is a fruit
Statement 2: All roses are flowers
Combining these gives: No rose is a fruit ✓
Why Other Options Fail:
B. Random statements: No logical connection to conclusion
C. Opposite relationships: Would give contradictory conclusion
D. Insufficient: We CAN determine with proper analysis
Answer: A. No flower is a fruit; All roses are flowers