Reasoning about ignorance and contradiction: many-valued logics versus epistemic logic

@article{Dubois2012ReasoningAI,
  title={Reasoning about ignorance and contradiction: many-valued logics versus epistemic logic},
  author={Didier Dubois},
  journal={Soft Comput.},
  year={2012},
  volume={16},
  pages={1817-1831}
}