A Treatise of Human Nature taste to be in the other), arguing that unextended perceptions must somehow exist without having a location. But the contrary problem arises for dualists: how can extended perceptions (of extended objects) possibly be conjoined to a simple substance? Indeed, Hume waggishly adds, this is basically the same problem that theologians commonly press against Spinoza's naturalistic metaphysics: thus if the theologians manage to solve the problem of extended perceptions belonging to a simple substance, then they give "that famous atheist" Spinoza a solution to the problem of extended objects as modes of a simple substance. Finally, Hume examines "causal relations", arguing
Journal of Materials Chemistry A Journal of Materials Chemistry A The Journal of Materials Chemistry A is a weekly peer-reviewed scientific journal that covers the synthesis, properties, and applications of novel materials related to energy and sustainability. It is one of three journals created after the "Journal of Materials Chemistry" was split at the end of 2012. Its first issue was published in January 2013. The journal is published by the Royal Society of Chemistry and has two sister journals, "Journal of Materials Chemistry B" and "Journal of Materials Chemistry C", which cover different materials science topics. The editor-in-chief for the "Journal of Materials Chemistry"