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Upshot: Leng attacks the indispensability argument for the existence of mathematical objects. She offers an account that treats the role of mathematics in science as an indispensable and useful part of theories, but retains nonetheless a fictionalist position towards mathematics. The result is an account of mathematics that is interesting for constructivists. Her view towards the nominalistic part of science is, however, more in conflict with radical constructivism.
Frans J. (2012) The game of fictional mathematics. Review of “mathematics and reality” by mary leng. Constructivist Foundations 8(1): 126-128. http://constructivist.info/8/1/126
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