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application and applicability of theories as well as the nature of the knowledge pro-
duced by using them. This is true because fuzzification will change the conception
of models; potential models; partial, potential models; and the core and intended
applications of a theory, on the one hand; and the epistemological relationships
between empirical claims of the theory and the 'real world', on the other, e.g., sup-
port, confirmation, falsification, etc.” [3, p. 441] At the end of his chapter “The
Architecture of Medical Knowledge” Sadegh-Zadeh (see Fig. 1.2 (b)) writes: “The
above considerations suggest that the entities a theory is concerned with, be con-
strued as vague entities. For similar analyses and assessments he referred to [4-6].”
[3, p. 441].
(a)
(b)
Fig. 1.2
(a): Cover of the
Handbook
[3]; (b) Kazem Sadegh-Zadeh in 2011 in Tecklenburg,
Germany
1.3
More Impressions from the Handbook
The two approaches highlighted in this brief introduction are neither exclusive nor
even remotely exhaustive: many other authors, among them philosophers, logi-
cians, mathematicians and researchers from different and competing disciplines
have mused on the Handbook, each following on what they have found more inter-
esting for their particular field of research. Their musing, ideas, counterpoints and
contributions constitute the rest of this volume, divided in six thematic parts: the
rest of this presents a contribution from the author of the
Handbook
on Fuzziness,
