References

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  2. Szymon Chlebowski (2018): Sequent Calculi for SCI. Studia Logica 106(3), pp. 541–563, doi:10.1007/s11225-017-9754-8.
  3. Szymon Chlebowski & Dorota Leszczyńska-Jasion (2019): An Investigation into Intuitionistic Logic with Identity. Bulletin of the Section of Logic 48(4), pp. 259–283, doi:10.18778/0138-0680.48.4.02.
  4. Steffen Lewitzka (2009): _I: An Intuitionistic Logic without Fregean Axiom and with Predicates for Truth and Falsity. Notre Dame Journal of Formal Logic 50(3), pp. 275–301, doi:10.1215/00294527-2009-012.
  5. Steffen Lewitzka (2011): _K: A Non-Fregean Logic of Explicit Knowledge. Studia Logica 97, pp. 233–264, doi:10.1007/s11225-011-9304-8.
  6. Piotr Łukowski (1990): Intuitionistic sentential calculus with classical identity. Bulletin of the Section of Logic 19(4), pp. 147–150.
  7. Piotr Łukowski (1990): Intuitionistic Sentential Calculus with Identity. Bulletin of the Section of Logic 19(3), pp. 92–99.
  8. Piotr Łukowski (1992): Matrix-frame semantics for ISCI and INT. Bulletin of the Section of Logic 21(4), pp. 156–162.
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  12. Mieczysław Omyła (2016): Język naturalny a logika niefregowska (Natural language and non-Fregean logic). Edukacja Filozoficzna Wydanie specjalne: Filozofii Polacy potrzebują. Księga pamiątkowa ofiarowana Witoldowi Mackiewiczowi w siedemdziesiątą piątą rocznicą urodzin, pp. 241254.
  13. Roman Suszko (1968): Non-Fregean logic and theories. Analele Universitǎţii Bucureşti, Acta Logica 11, pp. 105–125.
  14. Roman Suszko (1968): Ontology in the Tractatus of L. Wittgenstein. Notre Dame Journal of Formal Logic 9(1), pp. 7–33, doi:10.1305/ndjfl/1093893349.
  15. Roman Suszko (1971): Identity connective and modality. Studia Logica 27, pp. 7–39, doi:10.1007/BF02282541.
  16. Roman Suszko (1975): Abolition of the Fregean axiom. In: Rohit Parikh: Logic Colloquium. Symposium on Logic held at Boston, 1972–73, Lecture Notes in Mathematics 453. Springer, pp. 169–239, doi:10.1007/BFb0064874.
  17. Anne Sjerp Troelstra & Helmut Schwichtenberg (2000): Basic Proof Theory. Cambridge Tracts in Theoretical Computer Science 43. Cambridge University Press, doi:10.1017/CBO9781139168717.
  18. Ludwig Wittgenstein (2001): Tractatus Logico-Philosophicus. Routledge.

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