Recently, there has been a debate about the usefulness of natural kind classification in philosophy of science. Some philosophers have argued that the concept of natural kinds should be eliminated on the grounds that it does not play a useful role in scientific classification. David Ludwig (2018) and Ian Hacking (2007a) have argued for eliminating the concept of natural kind altogether. The arguments here are twofold: firstly, the concept of natural kind is applicable to a heterogeneous set of p