机译:Leon Horsten.* The Metaphysics and Mathematics of Arbitrary Objects. Cambridge University Press, 2019. Pp. xviii + 231. ISBN: 978-1-107- 03941-4 (hbk); 978-1-10860177-1 (e-book). doi: 10.1017/9781139600293.
Munich Center for Mathematical Philosophy, Ludwig-Maximilians-University Munich,D-80539, Germany;