one serious problem of perdurantism is the problem of temporary intrinsics raised by david lewis. lewis claims that intrinsic properties of objects would change over time. thus, endurantism cannot harmonize identity with change and then cannot explain persistence clearly even if endurantists appeal to intrinsic properties. endurantists may argue that intrinsic properties are related to time. however, this would produce another problem. if intrinsic properties are related to others, they are not intrinsic property (see intrinsic and extrinsic properties). therefore, perdurantism is a better position of persistence (see prominent arguments in favor of four-dimensionalism).