(1) No experienced person is incompetent;
(2) Jenkins is always blundering;
(3) No competent person is always blundering.
Univ. “persons”; a = always blundering; b = competent; c = experienced; d = Jenkins.
9.
(1) No terriers wander among the signs of the zodiac;
(2) Nothing, that does not wander among the signs of the zodiac, is a comet;
(3) Nothing but a terrier has a curly tail.
Univ. “things”; a = comets; b = curly-tailed; c = terriers; d = wandering among the signs of the zodiac.
10.
(1) No one takes in the Times, unless he is well-educated;
(2) No hedge-hogs can read;
(3) Those who cannot read are not well-educated.
Univ. “creatures”; a = able to read; b = hedge-hogs; c = taking in the Times; d = well-educated.
11.
(1) All puddings are nice;
(2) This dish is a pudding;
(3) No nice things are wholesome.