noun
devil's proof; probatio diabolica
Legal term for the difficulty of proving a negative, especially in defamation or property cases where one must prove something does not exist.
悪魔の証明は、法律上、立証が極めて難しいとされる。
The devil's proof is considered extremely difficult to establish under the law.
この事件では、被告に悪魔の証明が求められている。
In this case, the defendant is being asked to provide a devil's proof.
From Latin 'probatio diabolica', a legal concept referring to the impossibility of proving a negative. The Japanese term is a direct translation.