countable additivity

noun

The following property of a measure: that the measure of a countable union of disjoint sets is equal to the sum of their measures.

Similar
σ-additivity
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Meanings

nouncountable additivity (uncountable)
  1. uncountablemathematical analysisThe following property of a measure: that the measure of a countable union of disjoint sets is equal to the sum of their measures.

    Synonyms: σ-additivity

Synonyms & antonyms

nounThe following property of a measure: that the measure of a countable union of disjoint sets is equal to the sum of their measures.

Similar
σ-additivity
Cite this entry
APA

countable additivity. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/countable%20additivity

MLA

“countable additivity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/countable%20additivity. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “countable additivity,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/countable%20additivity.

Source: countable additivity on Wiktionary, CC BY-SA 4.0.