95. All shillings are round;
All these coins are round.

96. No honest men cheat;
No dishonest men are trustworthy.

97. None of my boys are clever;
None of my girls are greedy.

98. All jokes are meant to amuse;
No Act of Parliament is a joke.

99. No eventful tour is ever forgotten;
Uneventful tours are not worth writing a book about.

100. All my boys are disobedient;
All my girls are discontented.

101. No unexpected pleasure annoys me;
Your visit is an unexpected pleasure.

[EX6]§ 6.
Trios of Abstract Propositions, proposed as Syllogisms: to be examined.
1.Some x are m; No m are y′. Some x are y.
2.All x are m; No y are m′. No y are x′.
3.Some x are m′; All y′ are m. Some x are y.
4.All x are m; No y are m. All x are y′.
5.Some m′ are x′; No m′ are y. Some x′ are y′.
6.No x′ are m; All y are m′. All y are x′.
7.Some m′ are x′; All y′ are m′. Some x′ are y′.
8.No m′ are x′; All y′ are m′. All y′ are x.
9.Some m are x′; No m are y. Some x′ are y′.
10.All m′ are x′; All m′ are y. Some y are x′.
11.All x are m′; Some y are m. Some y are x′.
12.No x are m; No m′ are y′. No x are y′.
13.No x are m; All y′ are m. All y′ are x′.
14.All m′ are x′; All m′ are y. Some y are x′.
15.Some m are x′; All y are m′. Some x′ are y′.
16.No x′ are m; All y′ are m′. Some y′ are x.
17.No m′ are x; All m′ are y′. Some x′ are y′.
[pg107]18.No x′ are m; Some m are y. Some x are y.
19.Some m are x; All m are y. Some y are x′.
20.No x′ are m′; Some m′ are y′. Some x are y′.
21.No m are x; All m are y′. Some x′ are y′.
22.All x′ are m; Some y are m′. All x′ are y′.
23.All m are x; No m′ are y′. No x′ are y′.
24.All x are m′; All m′ are y. All x are y.
25.No x are m′; All m are y. No x are y′.
26.All m are x′; All y are m. All y are x′.
27.All x are m; No m are y′. All x are y.
28.All x are m; No y′ are m′. All x are y.
29.No x′ are m; No m′ are y′. No x′ are y′.
30.All x are m; All m are y′. All x are y′.
31.All x′ are m′; No y′ are m′. All x′ are y.
32.No x are m; No y′ are m′. No x are y′.
33.All m are x′; All y′ are m. All y′ are x′.
34.All x are m′; Some y are m′. Some y are x.
35.Some x are m; All m are y. Some x are y.
36.All m are x′; All y are m. All y are x′.
37.No m are x′; All m are y′. Some x are y′.
38.No x are m; No m are y′. No x are y′.
39.No m are x; Some m are y′. Some x′ are y′.
40.No m are x′; Some y are m. Some x are y.