David Armstrong and David Lewis's functionalist realism holds that higher-order properties are type-identical to the physical realizer-types within a given world, preserving type physicalism locally.

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Reasons For

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Reason for

1.Type physicalism avoids epiphenomenalism by identifying mental properties with physical bases, ensuring causally efficacious mental states.
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2.Within-world type-identity preserves local physical completeness while allowing multiple realizability across possible worlds.
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3.Armstrong and Lewis's framework respects functional role definitions without requiring global type-identity, maintaining theoretical parsimony.
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Reasons Against

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Reason against

1.If pain is type-identical to C-fiber firing in world W but to different neurons in world W*, the property 'pain' lacks unified metaphysical status.
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2.Local type-identity seems to conflate conceptual identity-conditions with metaphysical identity, leaving explanation of cross-world mental continuity unclear.
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3.Functionalism's defining feature—multiple realizability—is genuinely incompatible with type-identity, not merely preserved by restricting scope locally.
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Key Terms

David Armstrong(His work is being discussed as the starting point for the debate): An influential Australian philosopher who developed important theories about what exists in the world, particularly about properties and how they relate to objects.
David Lewis(the philosopher who created this theory): An influential American philosopher (1941-2001) who developed Counterpart Theory as a way to understand how we talk about objects in different possible worlds.
Physical realizer-types(as what higher-order properties supposedly reduce to): The specific physical (usually brain) processes or structures that make a mental property actually happen—the 'hardware' that implements the 'software' of the mind.
Type-identical(as a way of describing how mental and physical properties relate): When two things are literally the same kind of thing, not just similar—like how all samples of H₂O are type-identical because they're all water.
functionalism(Philosophy of mind; distinguished here from representationalism): The view that mental states are defined by the causal roles they play in a cognitive system — their actual, potential, or typical causal relationships.
higher-order properties(Used in the regress argument against proposal (c)): Properties that belong to properties themselves, invoked to explain what makes first-order properties distinct from one another
realism(Royce's characterization of the first historical conception of being): The view that the world exists entirely independently of our thoughts or ideas about it — the world is what it is without any reference to our thoughts.
type physicalism(Distinguished from supervenience physicalism; used to assess sufficient vs. necessary conditions for physicalism): The view that every property is identical with some physical property

Connections

2 topics

Consciousness & Mind1 linked Modality & Possibility1 linked

Armstrong and Lewis's framework respects functional role definitions without req...Functionalism's defining feature—multiple realizability—is genuinely incompatibl...

Details

Type: claim
Perspectives: 2 (1 for, 1 against)
Edits: 1 edit