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Extended Cognition And The Causal-Constitutive Fallacy: In Search For A Diachronic And Dynamical Conception Of Constitution, Michael D. Kirchhoff
Extended Cognition And The Causal-Constitutive Fallacy: In Search For A Diachronic And Dynamical Conception Of Constitution, Michael D. Kirchhoff
Faculty of Law, Humanities and the Arts - Papers (Archive)
Philosophical accounts of the constitution relation have been explicated in terms of synchronic relations between higher- and lower-level entities. Such accounts, I argue, are temporally austere or impoverished, and are consequently unable to make sense of the diachronic and dynamic character of constitution in dynamical systems generally and dynamically extended cognitive processes in particular. In this paper, my target domain is extended cognition based on insights from nonlinear dynamics. Contrariwise to the mainstream literature in both analytical metaphysics and extended cognition, I develop a nonstandard, alternative conception of constitution, which I call “diachronic process constitution”. It will be argued that …
A Dynamical Systems Model Of The Limiting Oxygen Index Test, Mark Nelson, H S. Sidhu, R O. Weber, G N. Mercer
A Dynamical Systems Model Of The Limiting Oxygen Index Test, Mark Nelson, H S. Sidhu, R O. Weber, G N. Mercer
Faculty of Law, Humanities and the Arts - Papers (Archive)
Oxygen index methods have been widely used to measure the flammability of polymeric materials and to investigate the effectiveness of fire-retardants. Using a dynamical systems framework we show how a limiting oxygen index can be identified with an appropriate bifurcation. The effectiveness of fire-retardants in changing the limiting oxygen index is calculated by unfolding the bifurcation point with a suitable non-dimensionalised variable, which depends upon the mode of action of the additive. In order to use this procedure it is essential the model is non-dimensionalised so as to retain the variables of interest as distinct continuation parameters.