2Risto Hilpine, New Study in Deontic Logic. D. Reidel Publishing Company. Dordreeht. Holland. 1981.
3Ernst Mally, Grundgesetze des Sollen. Elemente der Logik des Willens.Leuschner & Lubensky Graz. 1926.
4Karl Menger, A Logic of Doubtfu. On Optative and Imperative Logic. Reports of a Mathematical Colloquium 2(Notre Dame University, Indina University Press) . 1939. P53-64.
5Grelling, Zur Logik der Sollsatze. Unity of Science Foran. January 1939.
6Von. Wright, Georg Henrik, Norm and Action. Routledge and Kegan Paul. London. 1963.
7Von. Wright, Georg Henrik, Deontic logic. Mind (60) .1951.P1-15.
8陈波,冯赖特.台湾.东大图书公司印行.1998年版.P153-154.
9Anderson, Alan Ross, A Reduction of Deontic Logic to Alethic Modal Logic. Mind.67.1958.P100-103.
10Hilpinen, Risto (ed), Deontic Logic Introductory and Systematic Readings. Dordrecht. 1971.
2[1]Lambèr M M Royakkers.Extending Deontic Logic for the Formalisation of Legal Rules[M].LonDon:Kluwer Academic Publishers,1998.
3[2]J-J CH Meyer.A Different Approach to Deontic Logic:Deontic Logic,Viewed as a Variant of Dynamic Logic[J].In Notre Dame Journal of Formal Logic,1988,29(1):109-136.