Ratio
Glossary of Technical Terms, Phrases, and Maxims of the Common Law · Frederic Jesup Stimson · 1881
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
L' Reason
Ratio decidendi: the Ratio legis: the reason [occasion] of the tractus: by reason of the contract; impotence; tenurae, of tenure, etc.