can whistle;
Some cats are quadrupeds.

48. Bores are terrible;
You are a bore.

49. Some oysters are silent;
No silent creatures are amusing.

50. There are no Jews in the house;
No Gentiles have beards a yard long.

51. Canaries, that do not sing loud, are unhappy;
No well-fed canaries fail to sing loud.

52. All my sisters have colds;
No one can sing who has a cold.

53. All that is made of gold is precious;
Some caskets are precious.

54. Some buns are rich;
All buns are nice.

55. All my cousins are unjust;
All judges are just.
pg104
56. Pain is wearisome;
No pain is eagerly wished for.

57. All medicine is nasty;
Senna is a medicine.

58. Some unkind remarks are annoying;
No critical remarks are kind.

59. No tall men have woolly hair;
Niggers have woolly hair.

60. All philosophers are logical;
An illogical man is always obstinate.

61. John is industrious;
All industrious people are happy.

62. These dishes are all well-cooked;
Some dishes are unwholesome if not well-cooked.

63. No exciting books suit feverish patients;
Unexciting books make one drowsy.

64. No pigs can fly;
All pigs are greedy.

65. When a man knows what he's about, he can detect a sharper;
You and I know what we're about.

66. Some dreams are terrible;
No lambs are terrible.

67. No bald creature needs a hairbrush;
No lizards have hair.

68. All battles are noisy;
What makes no noise may escape notice.

69. All my cousins are unjust;
No judges are unjust.

70. All eggs can be cracked;
Some eggs are hard-boiled.

71. Prejudiced persons are untrustworthy;
Some unprejudiced persons are disliked.

72. No dictatorial person is popular;
She is dictatorial.

73. Some bald people wear wigs;
All your children have hair.

74. No lobsters are unreasonable;
No reasonable creatures expect impossibilities.
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75. No nightmare is pleasant;
Unpleasant experiences are not eagerly desired.

76. No plumcakes are wholesome;
Some wholesome things are nice.

77. Nothing that is nice need be shunned;
Some kinds of jam are nice.

78. All ducks waddle;
Nothing that waddles is graceful.