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From 'Some phones are laptops' and 'No laptop is a tablet', which of these conclusions follow? I. Some phones are tablets.
II. No phone is a tablet.

Competition practiceSyllogism
  • ANeither conclusion I nor II follows
  • BOnly conclusion I follows
  • COnly conclusion II follows
  • DEither conclusion I or II follows

Step-by-Step Solution

Phones that are laptops are not tablets, but other phones may or may not be tablets, so neither conclusion is certain alone. I and II are a complementary pair (some / none) with the same subject and predicate, so one of them must be true: either I or II follows.
Answer: D) Either conclusion I or II follows

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