Q:
Some tapes are discs. Some discs are cassettes. Some cassettes are songs
Conclusions:
1. Some songs are discs
2. Some cassettes are tapes
3. Some songs are tapes
4. No song is a disc
Answer & Explanation
Answer: A) Only either 1 or 4 follows
Explanation: Since each combiantion of premise contain 2 particular premises, no definite conclusion can be drawn. However, 1 and 4 involve the extreme terms of 2nd and 3rd premises and form a complementary pair. Thus either 1 or 4 follows.
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