(6) If A is B, C is D.
If E is F, G is H.
But if A is B, E is F.
.'. If C is D, G is sometimes H.
(7) The soul is not matter.
My arm is not myself.
(8) Honesty deserves reward and a negro is a fellow-creature. Therefore an honest negro is a fellow-creature deserving of reward.
CHAPTER XXX.
1. Point out any ambiguities which underlie the following propositions—
(1) Every one who has read the book in French will recommend those who have not to read it in English.
(2) I will not do this because he did it.
(3) These are all my books.
(4) By an old statute of the date of Edward III it was accorded 'that Parliament should be holden every year once or more often if need be.'
(5) They found Mary and Joseph and the babe lying in a manger.