Difficulty: Easy
Correct Answer: Neither I nor II follows
Explanation:
Introduction / Context:
Two sets (Children, Animals) share a common property (Playful) but no direct linkage is given between them. We must avoid inferring overlap merely from sharing a predicate.
Given Data / Assumptions:
Concept / Approach:
The premises do not assert any relation between Children and Animals, only that both touch Playful. Hence either overlap is possible or they may be disjoint; neither I nor II is forced.
Step-by-Step Solution:
Model A: Make Children and Animals disjoint inside Playful. Both premises hold; I and II fail.Model B: Make an overlap between Children and Animals; I and II may become true, but not by necessity.
Verification / Alternative check:
Necessity requires truth across all models; because countermodels exist, no conclusion follows.
Why Other Options Are Wrong:
They assume overlap not guaranteed by the premises.
Common Pitfalls:
“Same predicate fallacy”: treating a shared property as evidence of common identity.
Final Answer:
Neither I nor II follows.
Discussion & Comments