Brown, J. R., Philosophy of Mathematics: A Contemporary Introduction to the World of Proofs and Pictures, Routledge, New York, 2008.
Benacerraf, P., `What numbers could not be', in: Philosophy of Mathematics: Selected Readings, Benacerraf, P., Putnam, H. (eds.), 272--294, Cambridge University Press, Cambridge, 1983.
Benacerraf-Truth
Benacerraf, P., `Mathematical truth', in: Philosophy of Mathematics: Selected Readings, Benacerraf, P., Putnam, H. (eds.), 403--420, Cambridge University Press, Cambridge, 1983.
Carter, J., Structuralism as a philosophy of mathematical practice, Synthese, 163 (2008), 119--131.
Chang, C. C., Keisler, H. J., Model Theory: Studies in Logic and the Foundations of Mathematics, North-Holland Publishing Company, Amsterdam, 1990.
Feferman, S., `Logic, mathematics, and conceptual structuralism', in: The Metaphysics of Logic}, Rush, P. (ed.), Cambridge University Press, Cambridge, 2014.
Flegg, G., Numbers: Their History and Meaning, Penguin Books, 1983.
Kleiner, I., A History of Abstract Algebra, Birkh"{a}user, Boston, 2007.
Koenigsmann, J., Defining $mathbb{Z}$ in $mathbb{Q}$, Annals of Math., 183 (2016), 73--93.
Nodelman, U., Zalta, E. N., Foundations for mathematical structuralism, Mind, {123/489} (2014), 39–78.
Parsons, C., Structuralism and Nominalism, in: Mathematical Thought and its Objects, 40--79, Cambridge University Press, Cambridge, 2007.
Poincaré, H. Science and Hypothesis, Walter Scott Publishing Company, New York, 1905.
Resnik, M., Mathematics as a Science of Patterns, Clarendon Press, Oxford, 1997.
Schmidt, Heinz-Juergen, `Structuralism in physics', The Stanford Encyclopedia of Philosophy (Winter 2014 edn.), Zalta, Edward N. (ed.):\ https://plato.stanford.edu/archives/win2014/entries/physics-structuralism.
Shapiro, S., Philosophy of Mathematics: Structure and Ontology, Oxford University Press, Oxford, 1997.
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