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To construct the disjoint union, we tag each element with an index identifying its original set so that identical elements from different sets remain distinct.
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To construct the disjoint union, we tag each element with an index identifying its original set so that identical elements from different sets remain distinct.
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Related words
disjoint union
Noun
Japanese Meaning
数学において、元の集合が互いに重ならないように、各元にその元が所属していた集合の情報（インデックス）を付加して作られた和集合
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