> Seems a bit self-serving. Historically, all branches of knowledge were branches of philosophy. There is a reason why PhD stands for "philosophiae doctor" ( a

> Seems a bit self-serving. Historically, all branches of knowledge were branches of philosophy. There is a reason why PhD stands for "philosophiae doctor" ( aka "Doctor of Philosophy" ). > Surely the physicists could make a claim that all fields (including philosophy) are subfields of physics. Certainly not since physics deals with the empirical natural world. Physics doesn't delve into morality, virtue, essence, good, evil, etc. There is the physical world and the metaphysical one. In modern times, the empirical branch of philosophy ( hard sciences ) have cut out their own special niche, but fundamentally, they are still a specialized branch of philosophy.