有あり無なし

noun

existence or nonexistence; presence or absence

Used when discussing whether something exists or is present, often in binary terms. Common in formal or analytical contexts.

• この書しょ類るいの有あり無なしが問もん題だいだ。

  The existence or nonexistence of this document is the issue.

• 証しょう拠この有あり無なしで判はん断だんが変かわる。

  The judgment changes depending on the presence or absence of evidence.

noun

consent or refusal; yes or no

Used when asking or stating whether someone agrees or disagrees, often in a binary decision context. Slightly more abstract than a simple yes/no answer.

• 参さん加かの有あり無なしを早はやめに教おしえてください。

  Please let me know whether you will participate or not as soon as possible.

• 彼かれの返へん事じは有あり無なしどちらでもなかった。

  His reply was neither a clear yes nor a clear no.