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empty set

noun

Definitions

  1. The unique set that contains no elements, denoted ∅ or {}.

    • The existence of the empty set is entailed, in the presence of the axiom scheme of separation, by the existence of any set whatever.
    • A topological space may be very sparsely endowed with open sets. As we know, some spaces have only two, the empty set and the full space.

The neighborhood

Vish — recursive loop

No curated loop yet for empty set. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA