References
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- Leśniewski, S. (1929). Grundzüge eines neuen Systems der Grundlagen der Mathematik, §1-11. Fundamenta Mathematicae, 14, 1-81.
- Leśniewski, S. (1938). Einleitende Bemerkungen zur Fortsetzung meiner Mitteilung U.D.T. ‘Grundz¨uge eines neuen Systems der Grundlagen der Mathematik’. Widener Library Info Harvard Depository XLL 270.5. Hollis number: 005913328.
- Luschei, E. (1962). The logical systems of Leśniewski. Amsterdam: North-Holland Press.
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- Peirce, C.S. (1931-1935). Collected papers. C. Hartshorne and P. Weiss, Eds. Cambridge, Mass.: Harvard University Press, Vols. I-VI.
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