Claudio Cerrato. Natural Deduction Based upon Strict Implication for Normal Modal Logics. Notre Dame Journal of Formal Logic, 35(4):471-495, 1994.
@article{Cerrato94, title = {Natural Deduction Based upon Strict Implication for Normal Modal Logics}, author = {Claudio Cerrato}, year = {1994}, tags = {rule-based, modal logic, logic}, researchr = {https://researchr.org/publication/Cerrato94}, cites = {0}, citedby = {0}, journal = {Notre Dame Journal of Formal Logic}, volume = {35}, number = {4}, pages = {471-495}, }