| Sumario: | Yuri Balashov has argued that endurantism is untenable in the context of Minkowski spacetime. Balashov's argument runs through two main theses concerning the relation of coexistence, or temporal co-location. (1) Coexistence must turn out to be an absolute or objective matter; and in Minkowski spacetime coexistence must be grounded in the relation of spacelike separation. (2) If endurantism is true, then (1) leads to absurd conclusions; but if perdurantism is true, then (1) is harmless. I object to both theses. Against (1), I argue that coexistence is better construed as being relative to a hyperplane of simultaneity. Against (2), I argue that the consequences of (1) given endurantism are no worse than the consequences of (1) given perdurantism.
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