Ecology and Biodiversity New paper on bacterial speciation 23 Aug 200718 Sep 2017 You’ll remember, because you have all memorised my blog going back two years, that I blogged on what microbial species are before, and have a paper on that subject coming out in History and Philosophy of the Life Sciences. In it I argue that microbial species, particularly bacterial species, are… Continue Reading
Ecology and Biodiversity What is an individual? 11 Aug 2007 Rob Wilson has a new entry up at the Stanford Encyclopedia of Philosophy, entitled “The Biological notion of an individual”. It discusses an interesting problem, one that goes back to discussions by Julian Huxley in 1911. What is an individual in biology? Continue Reading
Logic and philosophy Explanation 13 Jul 200718 Sep 2017 But state space models in physical sciences tend to provide not a single coordinate, but a surface over which the system or phenomenon under explanations can range – so long as the observed trajectory of the system is on or near the surface described by the model, there is so far an explanation of the facts. A full explanation would, I think, involve showing in a suitably rich state space that only the actual states are possible, in the order they are observed (which turns out to be a single coordinate in a state space of the dynamical model after all). Continue Reading
Evolution Lewes on Heredity, in 1856 22 Jun 2007 I’m putting this up because I will use it to discuss the history of species definitions in a forthcoming talk. It’s very interesting for a number of reasons, one of which is the species nominalism, and another that Lewes argues from evidence for biparental inheritance some years before Mendel, and… Continue Reading
General Science Philosophy is to science, as ornithologists are to birds: 2. Two topics of philosophy of science 5 Jun 200724 Nov 2022 Philosophy of science deals largely with two general topics: Metaphysics and Epistemology. These are general topics of philosophy, and in the philosophy of science they deal only with the metaphysics and epistemology of science. So there are no overarching debates about how you can tell if you’re dreaming, or whether… Continue Reading