during which exists
[copied from inverse property 'exists at'] BFO2 Reference: entity
during-which-exists
[copied from inverse property 'exists at'] BFO2 Reference: temporal region
[copied from inverse property 'exists at'] b exists_at t means: b is an entity which exists at some temporal region t. (axiom label in BFO2 Reference: [118-002])
entity
entity
temporal region