JLPT N1 Advanced
か否か
Formal expression for whether or not
Readings
Other forms
〜かどうか common in speech
Expression / Phrase
Whether or not
Used to present a binary condition or decision in formal writing, functioning as a stiffer alternative to かどうか.
Example
その 情報 が 正確 か 否か 、 確認 が 必要 です 。
It is necessary to confirm whether or not that information is accurate.
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