Question
Read the given statements and conclusions carefully.
Assuming that 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 monitors are programmes. All programmes are languages. Some levels are languages. Conclusions: I. Some languages are monitors. II. Some levels are programmes. III. All programmes are monitors.Solution
All monitors are programmes (A) + All programmes are languages (A) → All monitors are languages (A) → Conversion → Some languages are monitors (I). Hence conclusion I follows. Some levels are languages (I) + [All programmes are languages (A) → Conversion] → Some languages are programmes (I) → No conclusion. Hence conclusion II does not follow. All monitors are programmes (A) → Conversion → Some programmes are not monitors (I). Hence conclusion III does not follow.
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