In his three stages Comte combined what he considered to be an account of the historical order of development with a logical analysis of the leveled structure of the sciences.
Dialectic or understanding would concern how we are to think about the nature of those properties and the structure of the sciences.
Some have claimed the existence of a "second scientific revolution" in the institutional structure of the sciences in the decades around 1800, especially in France, others (including Kuhn 1977a, ch. 3) of a multidisciplinary revolution in the "Baconian sciences" (chemistry, electricity, magnetism, heat, etc).
There is, indeed, an extensive literature of medieval commentaries on the Posterior Analytics, and much of this literature is very important; we find in it a great deal of material on the authors' attitudes to necessity, the structure of science, the relation between various sciences, the autonomy of philosophy vis-à-vis theology, and the like.
In the mid-1930s, after completing a doctoral dissertation on the logico-genetic structure of the physical sciences, García Bacca had joined the Vienna Circle.
The structure of the life sciences was built on the premise that the enterprise would continuously expand and absorb and employ the large number of graduate students and postdoctoral researchers.
Robert K. Merton, "The Normative Structure of Science," in The Sociology of Science: Theoretical and Empirical Investigations.
The concepts, the terminology, the structure of science writing, the ability to conduct research, and the experience of writing labs and papers--everything that I learned in earning my science degree comes in handy now.
Perhaps we even need to rethink the fundamental structure and purpose of the science Ph.D.
