KnowraEmpty setLinked fromLinked fromThe 40 pages that link to Empty set, each with the reason it gives.All 40Broader topic 9Related 24Compared with 7ZeroCompared with: The empty set has cardinality zero, but it is a set rather than a number.Interval (mathematics)Compared with: Under the between-points definition, the empty set qualifies as an interval vacuously.Baire category theoremCompared with: Meagreness concerns topology, not measure; a set can be meagre without being null, or vice versa.ElementCompared with: It shows that a set can exist without having any elements.Steinhaus theoremCompared with: The positive-measure hypothesis cannot be dropped: null sets may have difference sets with empty interior.0 (number)Compared with: Zero counts the elements of the empty set, but is itself a number, not a set.Element of a setCompared with: It shows that a set can exist even when nothing belongs to it.