@article {2056,
	title = {Ethical copula, negation, and responsibility judgments},
	journal = {Synthese},
	volume = {193},
	year = {2016},
	chapter = {3441},
	author = {Faroldi, Federico L. G.}
}
@incollection {2054,
	title = {An Exact Truthmaker Semantics for Obligation and Permission},
	booktitle = {Deontic Logic and Normative Systems},
	year = {2016},
	pages = {2016},
	publisher = {College Publications},
	author = {Anglberger, Albert and Faroldi, Federico L. G. and Korbmacher, Johannes}
}
