John McCarthy. Modality, Si! Modal Logic, No!. Studia Logica, 59(1):29-32, 1997.
@article{Mccarthy97, title = {Modality, Si! Modal Logic, No!}, author = {John McCarthy}, year = {1997}, tags = {modal logic, logic}, researchr = {https://researchr.org/publication/Mccarthy97}, cites = {0}, citedby = {0}, journal = {Studia Logica}, volume = {59}, number = {1}, pages = {29-32}, }