noun
ratio decidendi; reason for a verdict
Legal term referring to the binding part of a judicial decision that sets a precedent. Used in formal legal contexts.
判決理由は、後の裁判で先例として引用される。
The ratio decidendi is cited as a precedent in later trials.
裁判官は判決理由を詳しく説明した。
The judge explained the reason for the verdict in detail.