Ship of Theseus

The ship of Theseus is a thought experiment in metaphysics that asks whether an object that has had all of its components replaced remains fundamentally the same object. If a wooden ship has every plank replaced over time, is it still the same ship? What if the original planks are reassembled into a second ship — which, if either, is the original?

The paradox is not a puzzle to be solved but a demonstration that personal identity and object persistence are not properties of things but achievements of descriptive frameworks. The same