An empty world doesn't have objects that change by having a temporal part with a certain property and another temporal part with a certain other property.
From the en.wikipedia.org
While the Reformer later claimed that it was not his purpose to incite temporal lords to confiscation of the property of the Church, the real tendencies of the propositions remained unconcealed.
From the en.wikipedia.org
The temporal structure distinguished fasti from regesta, which were simple lists of property, or assets, such as land or documents, or transactions transferring property.