theorem BFO.OccurrentOrTemporalRegion.occurrent.inj
theorem BFO.OccurrentOrTemporalRegion.occurrent.inj: ∀ {a a_1 : hz46pbq2.BFO.Occurrent}, hz46pbq2.BFO.OccurrentOrTemporalRegion.occurrent a = hz46pbq2.BFO.OccurrentOrTemporalRegion.occurrent a_1 → a = a_1