By Kagermann H., Koehler W.
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Additional info for Aufgabensammlung Theoretische Physik, Mechanik
To what extent and by virtue of what device does the new description, required for the proposed explanation to work, refer to the same facts as the old description, which caused an explanation to be sought for them? More pointedly, we may ask: Ql. Can the facts remain the same as the framework of description varies? Q2. Does the apparent need for a steady reference set some permanent limits to conceptual innovation? Q3. Is such a steady reference really necessary, or may the researcher, without detriment to the rationality of his enterprise, sometimes forget along the way the facts he originally had in mind?
Such terms, however, would be completely meaningless unless connected by definitions or other meaning-bestowing devices with terms of the basic vocabulary VO' Any descriptions of particular facts involving terms in VT would be replaceable, without prejudice to truth, by equivalent descriptions of the same fact that use only terms in VO' The latter descriptions would anyway be shared by alternative systems of scientific explanation, in spite of any differences in their VT vocabulary. Thus, it would not be impossible to compare them and to ascertain which one among them provides more appropriate premises for inferring the description of any given fact observed.
Because there is no universally accepted statement capable of expressing whatever emerges from observation" (Feyerabend 1965, p. 214). Similar ideas were voiced, somewhat fuzzily, but with great rhetorical efficacy, by Thomas S. Kuhn (1962). To him a scientific revolution involves "a displacement of the conceptual network through which scientists view the world" (1962, p. 101). As a consequence of such a displacement, the new scientific tradition that issues from a scientific revolution "is not only incompatible but often actually incommensurable with what has gone before" (1962, p.
Aufgabensammlung Theoretische Physik, Mechanik by Kagermann H., Koehler W.