All senior analysts hold advanced financial certifications. Some senior analysts publish research on municipal bonds. Which deduction is necessarily true?
Answer and explanation
Correct answer: A. Some individuals with certifications publish research
- Step 1: Let S = senior analysts, C = certified, R = publish research. S is subset of C. Step 2. Intersection of S and R is non-empty. Step 3. Since every S is in C, the intersection of C and R is non-empty. Answer: Some individuals with certifications publish research. Why not the others: Generalization to all is invalid; claiming none contradicts premises; exclusivity is not stated.
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