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In the category of abelian groups, the trivial group serves as a null object, being both an initial and a terminal object.
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In the category of abelian groups, the trivial group serves as a null object, being both an initial and a terminal object.
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Related words
null object
Noun
Japanese Meaning
(圏論) 初始対象かつ終対象となる対象 / (オブジェクト指向プログラミング) 何もしないオブジェクト。nullの代わりに使用される
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