- set-theoretic union
- мат. теоретико-множественное объединение
Большой англо-русский и русско-английский словарь. 2001.
set-theoretic union
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Set-theoretic limit — In mathematics, the limit of a sequence of sets A1 , A2 , ... is a set whose elements are determined by the sequence in either of two equivalent ways: *Using indicator variables, let xi equal 1 if x is in Ai and 0 otherwise. If the limit as i… … Wikipedia
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Set theory (music) — Example of Z relation on two pitch sets analyzable as or derivable from Z17 (Schuijer 2008, p.99), with intervals between pitch classes labeled for ease of comparison between the two sets and their common interval vector, 212320. Musical set… … Wikipedia
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Ideal (set theory) — In the mathematical field of set theory, an ideal is a collection of sets that are considered to be small or negligible . Every subset of an element of the ideal must also be in the ideal (this codifies the idea that an ideal is a notion of… … Wikipedia
