has spatial occupant at some time r-location-of_st [copied from inverse property 'occupies spatial region at some time'] b occupies_spatial_region r at t means that r is a spatial region in which independent continuant b is exactly located (axiom label in BFO2 Reference: [041-002]) [copied from inverse property 'occupies spatial region at some time'] Alan Ruttenberg: This is a binary version of a ternary time-indexed, instance level, relation. The BFO reading of the binary relation 'occupies spatial region at some time@en' is: exists t, exists_at(x,t) & exists_at(y,t) & 'occupies spatial region@en'(x,y,t) [copied from inverse property 'occupies spatial region at some time'] BFO2 Reference: independent continuant [copied from inverse property 'occupies spatial region at some time'] BFO2 Reference: spatial region independent continuant spatial region