Problem Spaces. Celia Lury

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means for effecting the change of conditions but by itself cannot effect it. Only execution of existential operations directed by an idea in which ratiocination terminates can bring about the re-ordering of environing conditions required to produce a settled and unified situation. (1938: 118)

      In different ways then, temporality is fundamental to both Dewey and Simon’s acknowledgement that a problem (space) can always be other than it is. And as is true for Dewey, symbolic logic is important for Simon in this respect. He too stresses that the emphasis on the symbolic is not to be understood as an exclusive emphasis on the virtual or ideal. Thus, he says that symbol systems need to be ‘physical’; that is, they ‘must have windows on the world and hands too’. The computer, for example:

      In short, both Dewey and Simon signal the importance of the temporality of the composition of a problem space by emphasizing the dynamism of iterative relations between symbolic representation and action or methodologically informed intervention in the (material semiotic) composition of problem spaces. The importance of this concern for compositional methodology is taken up below in the discussion of the formal properties of circulation and in later chapters in a consideration of recursion.

      However, while both writers emphasize the symbolic, they have very different understandings of its relevance, with Dewey emphasizing the metaphorical potential of symbols for theory and concept formation, and Simon focusing on symbolic logic, based on abstract formulas, which he seems to see as somehow transparent to thought in ways that bypass the ambiguities of (the metaphorical dimensions of) language. While neither is especially concerned with the variety of registers and modes of signification involved in the making of problem spaces, Chapter 2 will suggest transformations in the material semiotic modalities of epistemic infrastructures is one of the things that is changing the possibility of composing problem spaces.

      A second important aspect of inquiry that both Dewey and Simon address is the role of cognition. In each case, the understanding of cognition put forward is not restricted to the thinking of an isolated human subject but is, rather, linked to the situated nature of a problem, or the (changing) relation of a (changing) problem to a (changing) context, system or environment.

      Neither the primary locus nor the yardstick of [the practice of inquiry] are to be found in the subject. Dewey makes this point through a striking, if ambiguous, formulation: “It is the needs of a situation which are determinative” (1916: 70). We can gloss his claim by saying that thinking is a temporally un-folding, situated practice, the function of which is to clarify and to realign a problematic situation. The site of the trouble and the resolution is the problematic situation. Intervention is judged successful when it yields a reconstructive change through meeting the needs of a situation. (Rabinow 2009: 16–17)

      Writing after the rise of the computer, it seems obvious to Simon that cognition is not merely a solely human means of problem-solving, but is also a possible characteristic of the non-human. The limits of what he calls bounded rationality are not understood in terms of human cognition alone, but are the properties of a problem in changing and two-way (but not necessarily symmetrical) relations in complex cognitive environments.6 And such environments are not inert, or unchanging; indeed, they may be characterized by different kinds of distributed cognition.

      An artifact can be thought of as a meeting point – an “interface” in today’s terms – between an “inner” environment, the substance and organization of the artifact itself, and an “outer” environment, the surroundings in which it operates. If the inner environment is appropriate to the outer environment, or vice versa,

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