H. Wansing

• Displaying modal logic
• Essays on non-classical logic
• Negation
• Nonclassical logics and information processing
• Nonclassical logics and information processing
• Proof theory of modal logic
• Proof Theory of Modal Logic (Applied Logic Series)
• The logic of information structures
• What is negation?
• Knowledge and belief in philosophy and artificial intelligence
• Referenz und Realit©Þt