(3) No impossible acrobatic feat is ever announced in a circus bill. Univ. "acrobatic feats"; a = announced in the bills of a circus; b = attempted in a circus; c = involving the turning of a quadruple somersault; d = possible. =23.= (1) Nobody, who really appreciates Beethoven, fails to keep silence while the Moonlight-Sonata is being played; (2) Guinea-pigs are hopelessly ignorant of music; (3) No one, who is hopelessly ignorant of music, ever keeps silence while the Moonlight-Sonata is being played. Univ. "creatures"; a = guinea-pigs; b = hopelessly ignorant of music; c = keeping silence while the Moonlight-Sonata is being played; d = really appreciating Beethoven. pg116 =24.= (1) Coloured flowers are always scented; (2) I dislike flowers that are not grown in the open air; (3) No flowers grown in the open air are colourless. Univ. "flowers"; a = coloured; b = grown in the open air; c = liked by me; d = scented. =25.= (1) Showy talkers think too much of themselves; (2) No really well-informed people are bad company; (3) People who think too much of themselves are not good company. Univ. "persons"; a = good company; b = really well-informed; c = showy talkers; d = thinking too much of one's self. =26.= (1) No boys under 12 are admitted to this school as boarders; (2) All the industrious boys have red hair; (3) None of the day-boys learn Greek; (4) None but those under 12 are idle. Univ. "boys in this school"; a = boarders; b = industrious; c = learning Greek; d = red-haired; e = under 12. =27.= (1) The only articles of food, that my doctor allows me, are such as are not very rich; (2) Nothing that agrees with me is unsuitable for supper; (3) Wedding-cake is always very rich; (4) My doctor allows me all articles of food that are suitable for supper. Univ. "articles of food"; a = agreeing with me; b = allowed by my doctor; c = suitable for supper; d = very rich; e = wedding-cake. =28.= (1) No discussions in our Debating-Club are likely to rouse the British Lion, so long as they are checked when they become too noisy; (2) Discussions, unwisely conducted, endanger the peacefulness of our Debating-Club; (3) Discussions, that go on while Tomkins is in the Chair, are likely to rouse the British Lion; (4) Discussions in our Debating-Club, when wisely conducted, are always checked when they become too noisy. Univ. "discussions in our Debating-Club"; a = checked when too noisy; b = dangerous to the peacefulness of our Debating-Club; c = going on while Tomkins is in the chair; d = likely to rouse the British Lion; e = wisely conducted. pg117 =29.= (1) All my sons are slim; (2) No child of mine is healthy who takes no exercise; (3) All gluttons, who are children of mine, are fat; (4) No daughter of mine takes any exercise.