Statement: All windows are doors. All buildings are doors. All doors are boats. Conclusions: I. All windows are boats. II. All buildings are boats. III. Some boats are doors.

Question

Accepted Answer

All windows are doors + All doors are boats = A + A = A = All windows are boats. Hence I follows. All buildings are doors + All doors are boats = A + A = A = All buildings are boats. Hence II follows. All doors are boats (A) → conversion → Some boats are doors(I). Hence III follows.

Statement: All windows are doors. All buildings are doors. All doors are boats. Conclusions: I. All windows are boats. II. All buildings are boats. III. Some boats are doors.

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