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"Sahlqvist theory for impossible worlds."
Alessandra Palmigiano, Sumit Sourabh, Zhiguang Zhao (2017)
- Alessandra Palmigiano
, Sumit Sourabh, Zhiguang Zhao
:
Sahlqvist theory for impossible worlds. J. Log. Comput. 27(3): 775-816 (2017)
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