- it is also called the null set and is denoted as
- Математика: ( пустое множество
Универсальный англо-русский словарь. Академик.ру. 2011.
it is also called the null set and is denoted as
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Empty set — ∅ redirects here. For similar looking symbols, see Ø (disambiguation). The empty set is the set containing no elements. In mathematics, and more specifically set theory, the empty set is the unique set having no elements; its size or cardinality… … Wikipedia
