“And he swore falsely” — regarding any matter that contains falsehood; even spring water mixed into honey.
In the sugya: The verse is not limited to obvious adulterations. Any oath that covers a lie about property qualifies, even where the fraud (such as mixing spring water into honey) can later be detected.
Type of Learning
Ribbuy of all verifiable falsehoods — any oath covering a lie about property.
What Is Learned
The verse is not limited to obvious adulterations; any oath covering a lie about property qualifies. Detectability of the fraud does not remove the liability.