theorem instTemporalIntervalIsToParent
theorem instTemporalIntervalIsToParent: ∀ (x : Type) [TemporalInterval.Is x], OneDimensionalTemporalRegion.Is x
theorem instTemporalIntervalIsToParent
theorem instTemporalIntervalIsToParent: ∀ (x : Type) [TemporalInterval.Is x], OneDimensionalTemporalRegion.Is x