I ♥ ♦s

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Savitt, Steven F.
conference paper description
Richard Arthur (2006) and I (Savitt 2009) proposed that the present in (time-oriented) Minkowski spacetime should be thought of as a small causal diamond. That is, given two timelike separated events p and q, with p earlier than q, they suggested that the present (relative to those two events) is the set I+(p) ∩ I-(q). Mauro Dorato (2011) presents three criticisms of this proposal. I rebut all three and then offer two more plausible criticisms of the Arthur/Savitt proposal. I argue that these criticisms also fail.