Soal SMA · Analisis · Kesulitan 3/5
Analyze the following argument: "All students who study diligently will pass the exam. Some students who pass the exam do not study diligently. Therefore, some students who do not study diligently will pass the exam." Which of the following best evaluates the logical validity of this argument?
- A.The argument is valid because the conclusion follows necessarily from the premises.
- B.The argument is invalid because the second premise contradicts the first.
- C.The argument is valid because it uses deductive reasoning.
- D.The argument is invalid because the conclusion does not follow from the premises.
Kunci jawaban & pembahasan
Jawaban: The argument is invalid because the conclusion does not follow from the premises.
The premises do not guarantee the conclusion; it is possible that those who pass without studying diligently are not part of the 'some' in the conclusion. Thus, the argument is invalid.
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