Conversation

Our spatial sensory resolution is about 1/10 arc-second. Our temporal sensory resolution is about 1/10 second. AFAICT the similarity in the numerical part is entirely an artifact of how clock-faces were defined and there is no fundamental relation between the two quantities.
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This means our sense of the solidity/extent of objects that occupy space and time is a function of 2 independent variables that evolved to segment the spatiotemporal visual field ("things in motion") in a way that's probably evolutionarily beneficial but otherwise arbitrary.
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Replying to
Iirc Steven Pinker made the point in The Language Instinct when he pointed out that the way we chunk matter in space-time as (say) "rabbit" and "stone" is likely an evolved result of efficient hunting, not a proposition about reality that says "rabbit" is a basic category
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