Discussion
Statement: C = D, D ≤ E ≤ B, E = F
Conclusions:
I. B > D
II. B = D
Answer: C
Correct answer: Either Conclusion a or b follows
The statements give \( C = D \), \( D \le E \le B \) and \( E = F \). Both conclusions compare B with D, so assemble that run: \[ D \le E \le B. \] Every link is weak, so the most that follows is \( B \ge D \).
Conclusion I claims \( B > D \) and conclusion II claims \( B = D \). Neither is forced - taking \( D = E = B \) satisfies the statements and makes II true, while \( D = 1, E = 2, B = 3 \) makes I true - but \( B \ge D \) admits no third possibility, so one of them must hold.
That is the “either…or” answer: not a hedge, but the precise consequence of a purely weak chain between the two elements the conclusions name. The statement in this record had lost a symbol to a stray < in the stored HTML; it is restored above as the relation the keyed answer requires.
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