The inference from 'moving things appear to move through empty space' conflates phenomenological appearance with ontological claim, as a plenum of aether or subtle matter would be empirically indistinguishable from void to ordinary observation.

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1 reason against

Reasons For

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Reason for

1.Phenomenological appearance describes only what observers detect, not what exists; undetectable media are empirically equivalent to absence.
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2.Historical shift from aether to void theories occurred without new observations, suggesting both explain appearances equally well.
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3.Distinguishing void from imperceptible plenum requires non-phenomenological (theoretical or metaphysical) assumptions, not empirical data.
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Reasons Against

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Reason against

1.Aether and void differ in causal powers: aether could explain wave propagation, resistance, or light behavior differently than true void.
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2.Observable effects like light refraction, aberration, and drag coefficients constrain medium properties; not all media are empirically equivalent.
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3.The conflation claim assumes appearance-indistinguishability proves ontological equivalence, but empirical indistinguishability doesn't entail metaphysical identity.
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Key Terms

Conflates(in argumentation and logic): Treats two different things as if they're the same thing, or mixes them up in a way that causes confusion.
Empirically indistinguishable(as used in epistemology and philosophy of science): Unable to be told apart from something else through observation, measurement, or experiments.
Ontological claim(as used in metaphysics): A statement about what actually exists in reality, not just how things seem to us.
Phenomenological appearance(as used in philosophy of perception): How something looks or seems to us through our direct experience and observation.
aether(used as an example of a non-existent object of judgment): A purported physical space-filling substance existing outside consciousness.
inference(Nyāya epistemology): A component of epistemology in Nyāya philosophy; a veritable inference yields knowledge about the world and must have premises that are themselves known
plenum(Relevant to the problem of distinguishing a resting body from surrounding matter): The continuous, fully filled material medium that constitutes Cartesian space; there is no void, and all regions are occupied by matter.
subtle matter(Descartes' vortex cosmology): The imperceptible fluid matter composing the celestial vortex in Cartesian physics, with respect to which the planets are said to be at rest
void(Aristotle's definition, used as the basis for his argument against the existence of a void): Dimensional space without matter inside

Connections

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Modality & Possibility1 linked

Aether and void differ in causal powers: aether could explain wave propagation, ...Distinguishing void from imperceptible plenum requires non-phenomenological (the...Historical shift from aether to void theories occurred without new observations,...Observable effects like light refraction, aberration, and drag coefficients cons...

Details

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