1. All roses are flowers; this is a rose; therefore it is a flower — follows.
2. All roses are flowers; this is a flower; therefore it is a rose — does not follow.
3. Some students are athletes; Zayd is a student; therefore Zayd is an athlete — does not follow.
4. Every multiple of 10 is a multiple of 5; 30 is a multiple of 10; therefore 30 is a multiple of 5 — follows.
Explain the connection, not merely the answer.
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Four classification exercises
Ḥujjah: Deriving a Conclusion from Known Judgments
1. All roses are flowers; this is a rose; therefore it is a flower — follows.
2. All roses are flowers; this is a flower; therefore it is a rose — does not follow.
3. Some students are athletes; Zayd is a student; therefore Zayd is an athlete — does not follow.
4. Every multiple of 10 is a multiple of 5; 30 is a multiple of 10; therefore 30 is a multiple of 5 — follows.
Explain the connection, not merely the answer.