School of Historical and Philosophical Studies - Theses

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    Multi-domain incommensurability
    Angelette, William ( 2000)
    Interesting instances of Incommensurability sometimes arise in the mental health sciences that cannot be accounted for with our currently available understanding of that phenomenon. I focus on what happens when there is ambiguity between a methodological-value use of a term and a theoretical-entity use of the same term. I call the kind of Incommensurability that can arise in such cases multi-domain Incommensurability. I propose that an interpretation of taxonomic Incommensurability offered by Howard Sankey represents "the sententialist current state of play" and that it may be used as the standard within the semantic/analytic tradition. I contend that Sankey's analysis fails to accommodate multi-domain Incommensurability in social sciences. I diagnose this failure and explore several possible reactions. This diagnosis highlights important features of social sciences that suggest reasons why this particular sort of Incommensurability will be so difficult to accommodate within the semantic/analytic tradition. We may be tempted to either reject social sciences or reject sententialism as a way to make the problems seem to disappear. I find neither of these alternatives satisfactory. The road that suggests rejection of the scientific status of social sciences is pyrrhic, self-defeating, and ultimately begs the question of multi-domain Incommensurability. The road that suggests rejection of sententialism simply abandons valuable insights and tools of investigation before having fully gone down the road. A form of argument extracted from the controversy in social science over dual relationships points to three constraints on a semantics capable of addressing multi-domain Incommensurability. I show why both intentional (roughly Fregegn - description views) and extentional ( roughly Kripkean - Essentialist views) solutions must fail to adequately resolve multi-domain Incommensurability. S suggest a hybrid analysis, consistent with many proposed alternatives to sententialism, that expands upon the current state of sententialist analysis of Incommensurability and draws upon a pragmatic, naturalised approach to semantics.