55. No engine-driver lives on barley-sugar.

56. All the animals in the yard gnaw bones.

57. No badger can guess a conundrum.

58. No cheque of yours, received by me, is payable to order.

59. I cannot read any of Brown’s letters.

60. I always avoid a kangaroo.

[pg134]CHAPTER III.

SOLUTIONS.
§ 1.
Propositions of Relation reduced to normal form.