Question
Read the following statements and conclusions
carefully. Assuming the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All Parrot are Penguin All Crow are Parrot No Crow is Owl Conclusions: I. Some Parrot are not Owl II. All Crow are Penguin III. No Penguin is OwlSolution
No Crow is Owl (E) → Conversion → No Owl is Crow (E) + All Crow are Parrot (A) → Some Parrot are not Owl (O*). Hence conclusion I follows. All Crow are Parrot (A) + All Parrot are Penguin (A) → All Crow are Penguin (A). Hence conclusion II follows. No Crow is Owl (E) → Conversion → No Owl is Crow (E) + All Crow are Penguin (A) → Some Penguin are not Owl (O*). Hence conclusion III does not follow.
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