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| 2006 | ||
|---|---|---|
| 2 | EE | Rafal Urbaniak: On Representing Sentential Connectives of Lesniewski's Elementary Protothetic. J. Log. Comput. 16(4): 451-460 (2006) |
| 1 | EE | Rafal Urbaniak: On Ontological Functors of Lesniewski's Elementary Ontology. Reports on Mathematical Logic 40: 15-43 (2006) |