1. T. S. Kuhn,The Structure of Scientific Revolutions, 2nd ed. The University of Chicago Press, 1970.
2. The stipulative definition is the assignment by stipulation of a special meaning to a given term which may be a newly coined verbal or symbolic expression or an ?old? term that is to be used in a specific technical sense. C. G. Hempel,Philosophy of Natural Science, Prentice-Hall, Englewood Cliffs, NJ, 1966, p. 86. Example: A solution is a homogeneous mixture of two or more substances.
3. S. F. Barker,Philosophy of Mathematics, Foundations of Philosophy Series, Prentice-Hall, Englewood Cliffs, NJ, 1964, pp. 23?27, 41.
4. T. P. Kohman,J. Chem Educ. 1983,64, 246; R. J. Tykodi,J. Chem. Educ. 1983,60, 782; G. Gorin,J. Chem. Educ. 1983,60, 782; D. Kolb,J. Chem. Educ. 1978,55, 728;Pure Appl. Chem. 1979,51, 1; S. R. Krishnan, C. Howe,J. Chem. Educ. 1994,71, 653.
5. loc. cit..