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Determinism vs. Underdeterminism in Scientific Change (view source)
Revision as of 02:24, 14 March 2018
, 02:24, 14 March 2018no edit summary
|Authors List=Hakob Barseghyan,
|Formulated Year=2015
|Prehistory=There are, broadly speaking, two stances concerning the determinism of scientific change. One is that scientific change is purely deterministic – i.e. that given a scientific mosaic at some time, it will evolve in one and only one fashion. This thesis states that “two unconnected scientific communities will necessarily pass through similar stages” [[CiteRef::Barseghyan (2015)|p. 197]], and that there is no room for sociological or other extra-scientific factors to influence the evolution of the accepted theories and employed methods of a given community. This position has been held by many philosophers since at least Leibniz, as pointed out by Laudan – although it is likely that this view would be accepted by much earlier figures such as Plato or Aristotle.[[CiteRef::Laudan (19841984a)|pp. 5, 11, 25, 33]] [[CiteRef::Barseghyan (2015)|p. 197]] According to Laudan, most philosophers subscribed to scientific determinism (what he calls the “Leibnizian ideal”) only up until recently. Early and mid 19th century philosophers like Mill, Herschel and Whewell would subscribe to determinism, with Mill believing not only that scientific change is deterministic, but that we actually have the explanatory rules.[[CiteRef::Laudan (19841984a)|p. 5]] Likewise, logical positivists and the likes of Carnap, Reichenbach, and Popper believed in scientific determinism, and strove to find the rules that actually determine scientific change. [[CiteRef::Laudan (19841984a)|p. 6]]
This traditional position is opposed by the view that scientific change is not strictly deterministic – i.e. that given a scientific mosaic at some time, it can evolve in many ways, and there are many ways it could have come to be. Although this has not been the mainstream position in the past, not all prominent thinkers subscribed to the deterministic view – Descartes challenged it (albeit not specifically related to scientific change) with his evil demon, and Mill actually expressed a lucid early description of what would become the full-fledged thesis of scientific underdeterminism: “an hypothesis…is not to be received as probably true because it accounts for all the known phenomena, since this is a condition sometimes fulfilled tolerably well by two conflicting hypotheses.”[[CiteRef::Mill (1974a)|p. 500]][[CiteRef::Stanford (2016)]] Scientific underdeterminism is supported by the SSK movement, Laudan, Duhem and Quine, the latter two taking a more radical stance.[[CiteRef::Stanford (2016)]] While determinism is relatively easy to describe, underdeterminism is more subtle, and there a number of different stances one may take while still being said to support scientific underdeterminism. In order to sort this out, it is instructive to make the traditional distinction between so-called “holist underdeterminism” and “contrastive underdeterminism”.[[CiteRef::Stanford (2016)]]
