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    The existence of closed timelike curves in some solutions... — Carmelics
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    Challenges→Time is unreal (does not exist).

    The existence of closed timelike curves in some solutions to Einstein's Field Equations does not entail that time is absent; it entails that time has unusual topology.

    ?Rate how convincing each reason is below to see the overall strength.
    1 reason for
    1 reason against

    Reasons For

    1 perspective
    Reason for
    ?
    • 1.CTCs preserve Einstein's equations perfectly, showing time's mathematical structure permits looping without violating physical laws.
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    • 2.Topology (shape/connectivity of spacetime) is logically distinct from temporal existence; unusual topology doesn't imply absence.
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    • 3.Causality violations in CTCs differ from temporal absence; they demonstrate time remains real but follows non-standard causal patterns.
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    Reasons Against

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    Reason against
    ?
    • 1.If time loops back on itself, the notion of 'before' and 'after' becomes meaningless, suggesting time as we understand it ceases to exist.
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    • 2.CTCs enable grandfather paradoxes that are physically impossible, implying such solutions are unphysical artifacts rather than real possibilities.
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    • 3.Distinguishing 'unusual topology' from 'time's absence' is semantic wordplay if the result eliminates temporal directionality and causality.
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    Related

    CTCs enable grandfather paradoxes that are physically impossible, implying such ...CTCs preserve Einstein's equations perfectly, showing time's mathematical struct...Causality violations in CTCs differ from temporal absence; they demonstrate time...Distinguishing 'unusual topology' from 'time's absence' is semantic wordplay if ...
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    If time loops back on itself, the notion of 'before' and 'after' becomes meaning...Time is unreal (does not exist).Topology (shape/connectivity of spacetime) is logically distinct from temporal e...

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