
Source: 1930s, A Dynamic Theory of Personality, 1935, p. 10 as cited in: Coleman Roberts Griffith (1943) Principles of systematic psychology. p. 215.
Source: 1930s, The conflict between Aristotelian and Galileian modes of thought in contemporary psychology, 1931, p. 143 Donald P. Spence (1994) The Rhetorical Voice of Psychoanalysis. p. 50 summarized this quote as "Class membership defined the essence or essential nature of the object".
Source: 1930s, A Dynamic Theory of Personality, 1935, p. 10 as cited in: Coleman Roberts Griffith (1943) Principles of systematic psychology. p. 215.
Source: 1960s, Fuzzy sets (1965), p. 338
“A class is a set of objects that share a common structure and a common behavior”
Source: Object-oriented design: With Applications, (1991), p. 513
Source: A General View of Positivism (1848, 1856), p. 153
Source: Object-oriented design: With Applications, (1991), p. 141
Source: Fundamentals of measurement and representation of natural systems. (1978), Ch. 2. The Basic Formalism; Quoted in: Mikulecky, Donald C. " Robert Rosen: the well‐posed question and its answer‐why are organisms different from machines? http://www.people.vcu.edu/~mikuleck/PPRISS3.html." Systems Research and Behavioral Science 17.5 (2000): 419-432.
Source: Lectures on Negative Dialectics (1965-66), p. 18
The Problems of Leninism