Arthur N. Prior
The fable of the four preachers
2012
Synthese 188/3
The logic of obligation and the obligations of the logician
2012
Synthese 188/3
The paradox of the prisoner in logical form
2012
Synthese 188/3
Intentionality and intensionality
1968
Proceedings of the Aristotelian Society 42
A note on the logic of obligation
1956
Revue philosophique de Louvain 54/41