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    If a persisting object can survive mereological change ac... — Carmelics
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    Supports→Extensional Mereology's principle that identity follows from sameness of parts (principle P.5 and its consequence principle 27) is too strong and imposes an incorrect constraint on the parthood relation.

    If a persisting object can survive mereological change across time, then sameness of parts across temporal stages cannot be necessary for identity, refuting P.5's universality.

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