by Michael Lopresto
Philosophy is one of the great sciences of reality, as Galen Strawson has said. To this I would add that philosophy is one of the most general of sciences, with the remarkable ability to cross between domains and incorporate both logical and hermeneutical methods. Mathematics and physics have incredible generality, for example, but philosophers will investigate the philosophy of mathematics and the philosophy of physics. But what does it mean to say that something is a science?
Science is a distinctive strategy whose aim is to uncover truths about the world. This strategy can be distinguished from other human endeavours, such as sophistry, with the pernicious aim of deceiving and manipulating, and art and criticism, with the honourable aim of facilitating aesthetic experience and communication. We distinguish good art from bad art on the grounds that bad art is deceitful and manipulative, and good art that it is, say, honest and morally serious. Equally, we distinguish between good science and bad science. Good science tends to have good philosophical foundations; scientists strive to build theories that are naturalistic, falsifiable, parsimonious, and have continuity with other theories. Bad science tends to be driven by ulterior motives; to confirm or vindicate what is already believed in a particular culture.
Admittedly, this is a slightly unusual way of talking about science and philosophy. There are social and political reasons for supposing a sharp cleavage between science and philosophy, and especially between science and the humanities. It is often said that science is inherently empirical, employing its distinctive quantitative methods; whereas the humanities are inherently perspectival and hermeneutical, employing its distinctive qualitative methods. Of course, the humanities are the most important part of a university education, as Brian Leiter has said, we all leave university to be full human beings, and the humanities are indispensible for this. This is especially important to emphasise in our pernicious culture of economic rationalism, where depressingly, the worth of the humanities needs to be constantly defended. But from another perspective, however, there are very few principled distinctions between the sciences and the humanities. Many of the sciences use rigorous formal methods, but philosophical logic and formal linguistics, for example, are equally rigorous and formal. Applied mathematics engages in abstract reasoning about the world, but equally does analytic metaphysics. Biology and Psychology build theories in their respective domains, but so do the philosophy of biology and the philosophy of psychology.