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    If physically meaningful spacetime structure is invariant... — Carmelics
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    Challenges→Maximality alone does not guarantee hole freeness in the sense required to prevent causal determinism from failing prior to any consideration of time machines.

    If physically meaningful spacetime structure is invariant under the relevant isometric embeddings, then the technical failure of hole freeness within a maximality framework reflects a representational artifact rather than a genuine breakdown of determinism.

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    Key Terms

    Hole freeness(as used in general relativity and philosophy of physics)
    A property in physics stating that spacetime (the fabric of reality combining space and time) doesn't have any 'holes' or gaps that would create ambiguity about how events are connected.
    Invariant(the statement contrasts this with context-shifting)
    Something that stays the same and doesn't change across different situations or contexts.
    Isometric embeddings(as used in mathematics and physics)
    Different ways of representing or mapping the same structure while preserving all the distances and relationships between points—like taking a snapshot of something from different viewpoints but getting the same measurements.
    Maximality framework(as used in logic and philosophy)
    A set of rules or guidelines that tries to make something as complete or comprehensive as possible, leaving nothing out.

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    Representational artifact(as used in philosophy of physics and epistemology)
    Something that appears to be a real problem or flaw, but is actually just a quirk of how we're describing or representing the situation—not a genuine issue with reality itself.
    Spacetime structure(as the subject being studied)
    The basic framework that describes how space and time work together and relate to each other, including the rules about distance, duration, and how events are ordered.
    determinism(Discussion of classical mechanics, quantum mechanics, and general relativity)
    A property of physical theories concerning whether the laws governing a system fully fix future (and past) states given present conditions; admits of degrees ('fall only a bit short')

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    2 topics

    Causation1 linkedFree Will & Foreknowledge1 linked

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    Maximality alone does not guarantee hole freeness in the sense required to preve...

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