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Inverse View
It is not the case that Color perception, on dispositionalist accounts (Peacocke, Johnston), is essentially grounded in observer responses, not bare physical properties.
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Reasons For
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Reason for
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1.
Color properties existed before conscious observers evolved; dispositionalism cannot explain color's objective presence in ancient physical reality.
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2.
Dispositionalism conflates our epistemic access to colors with colors themselves—we know colors through responses, but that doesn't make responses constitutive.
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3.
If color depends on observer responses, identical physical objects would have different colors for different observers simultaneously, violating shared reality.
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Reasons Against
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Reason against
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1.
Color experiences vary systematically with observer conditions (lighting, physiology), suggesting observer responses are constitutive of color properties.
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2.
Bare physical wavelengths lack intrinsic phenomenal character; only observer-relative dispositions explain why colors appear as they do to us.
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3.
Cross-species color perception differences (tetrachromat vision, bee ultraviolet sensitivity) show color properties are relative to observers, not absolute.
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