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27. Natural Reality / D. Time / 2. Passage of Time / d. Time series

[type of series formed by events in time]

13 ideas
The B-series can be inferred from the A-series, but not the other way round [McTaggart, by Le Poidevin]
A-series uses past, present and future; B-series uses 'before' and 'after' [McTaggart, by Girle]
A-series expressions place things in time, and their truth varies; B-series is relative, and always true [McTaggart, by Lowe]
The B-series must depend on the A-series, because change must be explained [McTaggart, by Le Poidevin]
We imagine the present as a spotlight, moving across events from past to future [Broad]
A-theory says past, present, future and flow exist; B-theory says this just reports our perspective [Le Poidevin]
Things which have ceased change their A-series position; things that persist change their B-series position [Le Poidevin]
In the B-series, time-positions are unchanging; in the A-series they change (from future to present to past) [Le Poidevin]
The only three theories are Presentism, Dynamic (A-series) Eternalism and Static (B-series) Eternalism [Crisp,TM]
Time is tensed or tenseless; the latter says all times and objects are real, and there is no passage of time [Bourne]
B-series objects relate to each other; A-series objects relate to the present [Bourne]
The present moment, time's direction, and time's dynamic quality seem to be objective facts [Price,H]
The C-series rejects A and B, and just sees times as ordered by betweenness, without direction [Baron/Miller]