10.

All m′ are x′; All m are y. Some y are x′.



Hence proposed Conclusion is right.
[pg144]
[SL7-A]Solutions for § 7, Nos. 1–6.
1.

No doctors are enthusiastic;
You are enthusiastic.
You are not a doctor.

Univ. “persons”; m = enthusiastic; x = doctors; y = you.


No x are m;
All y are m.
All y are x′.


∴ All y are x′.

Hence proposed Conclusion is right.

2.