Dean Zimmerman on Temporary Intrinsics and Presentism Part 2

Zimmerman explains and makes use of "Presentism" a view on time and "serious tensers" a view on how to understand propositions to address the problem of temporary intrinsic properties and the challenges from David Lewis. When one takes tense seriously, one can address the problem adequately. Zimmerman also notes a criticism from Lewis is based on a principle that applies to Lewis' own views.