.@stuartsierra @datomic_team Why does Datomic need the concept of "retract" if facts are asserted as of a point in time?
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@richhickey In this case, is a retraction of the old fact needed? Or does the fact assertion at time T supersede the fact at time < T. 2/2 -
@publicfarley If it is a cardinality one attribute a retraction will be made automatically for the previous value. - 1 more reply
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@richhickey Thanks Rich. Understood. How about when a new fact is asserted about an entity? 1/2Thanks. Twitter will use this to make your timeline better. UndoUndo
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