Statements: All boxes are cups.
All chairs are cups.
All cups are mirrors.
All tables are mirrors.
Conclusions:I. some tables are chairs.
II. Some mirrors are boxes.
III. Some mirrors are chairs.
All chairs are cups(A) + All cups are mirrors(A) ⇒ All chairs are mirrors(A) + [All tables are mirrors(A)] → Conversion → Some mirrors are tables(I) ⇒ No conclusion. Hence conclusion I does not follow. All boxes are cups (A) + All cups are mirrors (A) = All boxes are mirrors (A) → Conversion → Some mirrors are boxes (I). Hence, conclusion II follows. All chairs are cups (A) + All cups are mirrors (A) = All chairs are mirrors (A) → Conversion → Some mirrors are chairs (I). Hence, conclusion III also follows.
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How many persons born between E and B?
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