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The arrow symbol ↓ may refer to: * the downward direction, a relative direction * the keyboard cursor control key, an arrow key * logical NOR * an undefined object, in mathematical well-definition * a comma category, in category theory * down (game theory), a mathematical game * the ingressive sound, in phonetics ==See also== *Down sign (disambiguation) * Arrow (disambiguation) * * ↑ (disambiguation) * * → (disambiguation) * * ← (disambiguation) 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「↓」の詳細全文を読む スポンサード リンク
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