I know that physics suggest that time does not have a "flow." We employ similes such as "time flows like a river" because of how we perceive time. Our experience of time is that it flows or runs in one direction. At least, that is the popular conception of time. I wonder, however, whether time could "run" or "flow" backwards. Are there certain conditions within the physical world that could make the backward flow of time a physical possibility? By "time," I mean the non-compositional interval between event A and event B.
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