Difficulty: Easy
Correct Answer: Only conclusion I follows
Explanation:
Introduction / Context:
Another transitivity check with attention to the direction of inclusion.
Given Data / Assumptions:
Concept / Approach:
Chain inclusions to get Woman ⊆ Rat (I true). II reverses inclusion and is not warranted.
Step-by-Step:
1) Woman ⊆ Cat and Cat ⊆ Rat.2) Hence Woman ⊆ Rat (I follows).3) “All rats are women” would require Rat ⊆ Woman, which is not implied.
Verification:
Consider many rats that are not cats; premises do not forbid them.
Final Answer:
Only conclusion I follows.
Discussion & Comments