alleryStart learning →All dogs are animals; all cats are animals; so all dogs are cats. The error is
Aundistributed middle
Bdenying antecedent
Cillicit minor term
Dexclusive premises
Answer & Solution
Correct answer: A. undistributed middle
Animals is the middle term and is not distributed in either premise, so it cannot link dogs to cats.
Keep practising Drawing Inferences and Syllogistic Reasoning
Browse all Drawing Inferences and Syllogistic Reasoning questions for SSC CGL, or explore more Reasoning topics.
Related questions
No stone is soft; all pillows are soft. Which must be true?Some books are pens; all pens are cheap. Which must be true?All teachers are readers; no reader is lazy. Which must be true?All A are B; all B are C; all C are D. Which is definitely true?Either Ravi or Sita won; Ravi did not win. SoIf it is false that no A are B, which cannot be validly inferred?From 'some A are B, some B are C', people wrongly conclude 'some A are C'. This isNo cat is a dog; all dogs are animals. Does 'No cat is an animal' follow?