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Title: Interesting subject, strange and odd treatment
Review: Ehring's book is an interesting attempt (in part) to solve the question of what allows ordinary objects to persist through time. He defends a "causal trope" account to this end. His development criticizes (amongst others) the views of Donald Davidson on events, and does not do adequate justice to exploring them for his purposes. His references to this part of the metaphysics literature are woefully underdeveloped. The issues he raises are important and interesting, but appear to be muddled. Like much metaphysics these days, it fails to do much contact with science and technology which would (if done well) no doubt improve its content.
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