テセウスの船ふね

expression, noun

ship of Theseus; Theseus's paradox

A philosophical thought experiment about identity over time: if all parts of a ship are gradually replaced, is it still the same ship? Used in discussions of metaphysics and identity.

• テセウスの船ふねのパラドックスは、アイデンティティの問もん題だいを考かんがえるのに役やく立だつ。

  The Ship of Theseus paradox is useful for thinking about the problem of identity.