[
Ajdukiewicz, K. (1927). O stosowalności kryterium prawdy (On the Applicability of Truth-Criterion). Przegląd Filozoficzny, XXX, 280–283. Reprinted in Ajdukiewicz, K. (1960), pp. 11–13.
]Search in Google Scholar
[
Ajdukiewicz, K. (1960). Język i poznanie (Language and Knowledge), Vol. 1. Warszawa: Państwowe Wydawnictwo Naukowe.
]Search in Google Scholar
[
Bedürftig, T., & Murawski, R. (2018). Philosophy of Mathematics. Berlin: De Gruyter.
]Search in Google Scholar
[
Beth, E. (1968). The Foundations of Mathematics. Amsterdam: North-Holland Publishing Company.
]Search in Google Scholar
[
Boos, W. (2018). Metamathematics and the Philosophical Tradition. Berlin: De Gruyter.
]Search in Google Scholar
[
Carnap, R. (1934). Logische Syntax der Sprache. Wien: Springer. (English translation published in 1937).
]Search in Google Scholar
[
Irvine, A. D. (Ed.). (2009). Philosophy of Mathematics. Amsterdam: Elsevier.
]Search in Google Scholar
[
Jacquette, D. (Ed.). (2007). Philosophy of Logic. Amsterdam: Elsevier.
]Search in Google Scholar
[
Łukasiewicz, J., & Tarski, A. (1930). Untersuchungen über den Aussagenkalkül (Investigations on the Propositional Calculus). Comptes Rendus des séances de la Société des Sciences et des Lettres de Varsovie, Classe III, 23, 30–50. English translation in Tarski, A. (1956), pp. 38–59.
]Search in Google Scholar
[
Pogorzelski, W. A. (1994). Notions and Theorems of Elementary Logic. Białystok: Warsaw University: Białystok Branch.
]Search in Google Scholar
[
Rentsch, Th. (1980). Metalogik. In J. Ritter & K. Gründer (Eds.), Historisches Wörterbuch der Philosophie, Band 5: L-Mo (pp. 1171–1174). Darmstadt: Wissenschaftliche Buchgesselshaft.
]Search in Google Scholar
[
Ritter, J., & Gründer, K. (Eds.). (1980). Historisches Wörterbuch der Philosophie, Band 5: L-Mo. Darmstadt: Wissenschaftliche Buchgesselshaft.
]Search in Google Scholar
[
Schütte, K. (1980). Metamathematik. In J. Ritter & K. Gründer (Eds.), Historisches Wörterbuch der Philosophie, Band 5: L-Mo (pp. 1175–1177). Darmstadt: Wissenschaftliche Buchgesselshaft.
]Search in Google Scholar
[
Sheffer, H. M. (1926). Review of Principia Mathematica. Isis, 8(1), 226–231.
]Search in Google Scholar
[
Tarski, A. (1930). Über einige fundamentalle Begriffe der Metamathematik (On Some Fundamental Concepts of Metamathematics). Comptes Rendus des séances de la Société des Sciences et des Lettres de Varsovie, Classe III, 23, 22–29. English translation in Tarski, A. (1956), pp. 30–37.
]Search in Google Scholar
[
Tarski, A. (1930). Fundamentale Begriffe der Merthodologie der deduktiven Wissenschaften (Fundamental Concepts of the Methodology of Deductive Sciences). Comptes Rendus des séances de la Société des Sciences et des Lettres de Varsovie, Classe III, 23, 361–404. English translation in Tarski, A. (1956), pp. 61–109.
]Search in Google Scholar
[
Tarski, A. (1956). Logic, Semantics, Metamathematics. Papers from 1923 to 1938. Oxford Clarendon: Press. (Reprinted in 1983 by Indianapolis: Hackett Publishn Company).
]Search in Google Scholar
[
Wittgenstein, L. (1922). Tractatus Logico-Philosophicus. London: Routledge and Kegan Paul.
]Search in Google Scholar
[
Woleński, J. (2017). Universality of Logic. Bulletin of the Section of Logic, 46(1/2), 21–32.
]Search in Google Scholar
