Beth, E. W. (1965). Mathematical thought: An introduction to the philosophy of mathematics. Reidel.
Cita Chicago Style (17a ed.)Beth, Evert Willem. Mathematical Thought: An Introduction to the Philosophy of Mathematics. Dordrecht: Reidel, 1965.
Cita MLA (9a ed.)Beth, Evert Willem. Mathematical Thought: An Introduction to the Philosophy of Mathematics. Reidel, 1965.
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