In the debate of punishment decision for Ako Roshi (lordless samurai of Ako domain) in the Genroku Ako Incident, as competition with people including Hoko HAYASHI, Kyuso MURO and Keisai ASAMI who confirmed the theory of admiring and saving life, Sorai insisted on the theory of private duty and Seppuku (suiside by disembowelment), and escalated as 'Sorai Giritsusho' as follows.
元禄赤穂事件における赤穂浪士の処分裁定論議では、林鳳岡をはじめ室鳩巣・浅見絅斎などが賛美助命論を展開したのに対し、次のように私義切腹論を主張し、「徂徠擬律書」として上申。