46 [ From the Essay on Warren Hastings, The Works of Lord Macaulay, London, 1879, Vol. VI, p. 567.]
47 [The Works of Daniel Webster, Boston, 1851, Vol. VI, p. 62.]
48 [ B.H. Bode, An Outline of Logic, New York, 1910, p. 30.]
49 [ Sidgwick, The Use of Words in Reasoning, London, 1901, p. 192.]