Being good & being logical : philosophical groundwork for a new deontic logic
Deontic logic Ethics
Routledge 1996EISBN 1315706180
This work represents an attempt to show that standard systems of deontic logic (taken as attempts to codify normal deontic reasoning) run into a number of difficulties. It also presents a new system of deontic logic and argues that it is free from the shortcomings of standard systems.