An analysis of some deontic logics. (English) Zbl 1366.03069
Nôus 3, No. 4, 373-398 (1969); erratum ibid. 4, No. 1, 390 (1970).
MSC:
03A05 | Philosophical and critical aspects of logic and foundations |
03B45 | Modal logic (including the logic of norms) |