Last Updated
：2025/11/28
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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（ plural ）
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(mathematics) A union of sets forced to be disjoint by attaching information referring to the original sets to their elements (i.e., by using indexing).
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disjoint union
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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