From 'some A are B, some B are C', people wrongly conclude 'some A are C'. This is
Aundistributed middle
Bexclusive premises
Cvalid inference
Ddenying antecedent
Answer & Solution
Correct answer: A. undistributed middle
B is undistributed in both particular premises, so the A that are B may differ from the B that are C.
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