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  Running heading: Semantic systematicity and context

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by Lars Niklasson
http://www.hh.se/staff/mibo/publications/semsyst.ps
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Abstract:

Fodor and Pylyshyn argued that connectionist models could not be used to exhibit and explain a phenomenon that they termed systematicity, i.e., compositional syntax and semantics for mental representations and structure sensitivity of mental processes. This inability, they argued, was particularly serious since it meant that connectionist models could not be used as alternative models to classical symbolic models to explain cognition. In this paper, a connectionist model is used to identify some properties which show that connectionist networks supply means for accomplishing a stronger version of systematicity than Fodor and Pylyshyn opted for. Specifically, it is argued that context-dependent systematicity is achievable within a connectionist framework. The arguments put forward rest on a particular formulation of content and context of connectionist representation, firmly and technically based on connectionist primitives in a learning environment. The perspective is motivated by the fundamental differences between the connectionist and classical architectures, in terms of prerequisites, lower-level functionality and inherent constraints. 2

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