ABSTRACT
Methodology is nothing more than normative epistemology (Bunge 1983, p. 4) therefore design methodology is normative design epistemology. Such a characteristic needs the acceptance of a combination of the two concepts, namely: theory of cognition — i.e. epistemology, and a noncognitive but change oriented discipline — design. For some design theoreticians it would be easier to accept the combination in question if they were able to find references to the design oriented families of learned disciplines. In order to do this let us refer to Kotarbióski’s praxiological inquiry and to Simon’s “sciences of the artificial.” To refer to Kotarbióski is legitimized by the very fact that the design methodology we are talking about is of praxiological (i.e. general methodological) origin. To refer to Simon is legitimized by the end products of any design activity which are conceptual models of manmade objects, i.e. artifacts.
