永恒主义与关于“现在”的透视现实主义
Eternalism and Perspectival Realism about the 'Now'
摘要：
永恒主义认为所有的时间都是同样真实的。在狭义相对论中，时间的同时性的相对性支持了这一点。没有宇宙性的延伸，自我存在的“现在”。这就引出了一个棘手的问题。什么使关于现在的陈述为真？我将沿着透视实在论的路线来处理这个问题，并论证透视的选择确实如此。为了证实这一点，狭义相对论的洛伦兹变换与结构相似的多普勒效应方程进行了比较。"现在“在透视上是真实的，就像特定的电磁波谱频率一样。我还认为，在这种情况下，透视实在论所许可的时间本体论比它目前的替代品，狭义相对论的碎片主义解释更可信。
英文摘要：
Eternalism is the view that all times are equally real. The relativity of simultaneity in special relativity backs this up. There is no cosmically extended, self-existing 'now'. This leads to a tricky problem. What makes statements about the present true? I shall approach the problem along the lines of perspectival realism and argue that the choice of the perspective does. To corroborate this point, the Lorentz transformations of special relativity are compared to the structurally similar equations of the Doppler effect. The 'now' is perspectivally real in the same way as a particular electromagnetic spectrum frequency. I also argue that the ontology of time licensed by perspectival realism is more credible in this context than its current alternative, the fragmentalist interpretation of special relativity.
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