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Published online by Cambridge University Press: 14 March 2022
1 Wesley C. Salmon, Logic, Englewood Cliffs: Prentice Hall, 1963, p. 93.
2 Francis H. Parker and Henry B. Veatch, Logic as a Human instrument, New York: Harper and Brothers, 1959, p. 81.
3 L. S. Stebbing, A Modern Introduction to Logic, London: Methuen & Co., 1933, p. 426.
4 Morris R. Cohen, and Ernest Nagel, An Introduction to Logic and Scientific Method, New York: Harcourt, Brace & Co., 1934, p. 230.
5 I. M. Copi, Introduction to Logic, New York: Macmillan, 1961, p. 102.
6 Max Black, Critical Thinking, New York: Prentice Hall, 1946, p. 190.
7 Monroe C. Beardsley, Practical Logic, Englewood Cliffs: Prentice-Hall, 1950, p. 166.
8 Monroe C. Beardsley, and Elizabeth Lane Beardsley, Philosophical Thinking, New York: Harcourt, Brace & World, 1965, p. 25.
9 Beardsley and Beardsley, p. 25.
10 Parker and Veatch, p. 81.
11 Salmon, p. 93.
12 Parker and Veatch, pp. 81-82.
13 Salmon, pp. 93-94.