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17. Mind and Body / C. Functionalism / 5. Teleological Functionalism

[mind as a set of interlocking purposeful functions]

5 ideas
A causal theory of mentality would be improved by a teleological element [Armstrong]
Mental types are a subclass of teleological types at a high level of functional abstraction [Lycan]
Teleological characterisations shade off smoothly into brutely physical ones [Lycan]
A mental state is a functional realisation of a brain state when it serves the purpose of the organism [Lycan]
Teleological functions explain why a trait exists; causal-role functions say what it does [Polger]