He wrote negative reviews of The Mathematical Experience by Philip J. Davis and Reuben Hersh and What Is Mathematics, Really? by Hersh, both of which were critical of aspects of mathematical Platonism, and the first of which was well received by the mathematical community.
Napísal negatívne recenzie na diela Philipa J. Davisa a Reubena Hersha The Mathematical Experience a na Hershovo What is mathematics, really? , ktoré boli kritické k aspektom matematického platonizmu, pričom prvé z nich bolo veľmi dobre prijaté matematickou komunitou.