Fleck's keywords

 

The new conception of epistemology

"The fondamental error in many discussions from the field of epistemology is the (more or less open) manipulation of the symbolic epistemological subject, known as 'human spirit', human mind', 'research worker' or simply 'man' ('John', 'Socrates'), which has no concrete living position, which does not basically undergo changes even in the course of centuries and which represents every 'normal' man regardles of the surroundings and the epoch. Thus it is to be absolute, unchanging and general"
("The Problem of Epistemology" [1936], in R.S. Cohen and T. Schnelle (eds.), Cognition and Fact - Materials on Ludwik Fleck, Dordrecht, reidel, 1986, p. 79)

"To my mind epistemology must result from three basic phenomena. The first is the collective mental differentiation of men: people exist who can communicate with each other, i.e., who think somehow similarly, belong, so to say, to the same thought-group, and people exist who are completely unable to understand each other and communicate with each other, as if the belong to different thought-groups (thought-collectives). [...]
Another fundamental phenomenon of epistemology is the fact that the circulation of thought is always related, in principle to its transformation [...] Consequently, each formulated thought, which is destined for real use, bears the sign of the producing unit and the address of destination. Hence a formulated thought, an utterance, is a directional value, a vector (if on can use this definition here): an abstract sentence, without the sign of the producing unit and without the destination, and also without any regard to those social forces which bring about its direction and circulation, is incomplete and does not suit the purpose of the considerations of rational epistemology. Only a sentence in its natural relevance, i.e. in its social meaning within the society, possesses a definite meaning; an abstract sentence can be understood in different manner: it can be equivocal or meaningless, depending on the circle of the recipient.
If I formulate a certain idea for the members of another thought-collective, I transform it so as to render it approximate to the style of that collective. Thus I try to create a common collective, somewhat intermediary, poorer in substance, but wider. I try to change the style of the given idea. Such a formulation and transmission of an idea is called propaganda. [...]
The third fundamental phenomenon of epistemology is the existence of a specific historical development of thinking, which cannot be reduced to the logical development of thought-contents nor to the simple increase of detailed information. [...] Thus notions undergo important changes. these changes do not result from any analysis of sensations that would force us to transformation them in a definite direction. They are not a logically or objectively indispensable development of the thought [...] Of course, the notions must not be considered to be a separate bricks which only for themselves and out of which the given idea, from the entire collective of ideas, from the continuous process of thinking. But even the isolated notions show, as can be seen, a specific stylish coloring which is characteristic of the given thought-style.
(Id., pp. 81, 85, 89-92)

"If epistemology is meant to be a science capable of development, useful and rich in a substantial way, it ought to broaden the range of its interests. It must not be limited to the study of the domains and stages of sciences which are officially recognized at the given moment, but, taking into account the variety of thought-styles and the multiplicity of thought-collectives, it must become a comparative science. Likewise it ought to take into account the developmental moment and, while including the embryonic stages of cognition, it should aim at the research methods of unclear, wavering and indistinct cognition. It must take into account fundamentally and in detail the social nature of thinking and cognition.
Conseguently it ought to include psychological, sociological and historical methods. Its subject will be the whole of cognitive life, its organization, fluctuations over time and developmental peculiarities, local features, properties of its various forms; it will study pedagogic methods from the epistemological viewpoint, it will find points touching economics, technology (apparatus!), art and even politics. Finally, it will take into account mythology and psychiatry.
Epistemology thus understood is a science of thought-styles"
(Ib., pp. 97-8)

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