Wyniki
-
The deontic calculus DSC3
Leon Gumański
Bulletin of the Section of Logic , 10 /2 (1981) s. 63-67 -
A deontic sentential calculus without certain paradoxes of the standard system
Leon Gumański
Bulletin of the Section of Logic , 4 /2 (1975) s. 74-76 -
An improvement of the deontic calculus DSC
Leon Gumański
Bulletin of the Section of Logic , 5 /3 (1976) s. 97-100