 Austin, John |  Bentham, Jeremy |  concepts |  feminist philosophy, interventions: philosophy of law |  Hobbes, Thomas: moral and political philosophy |  law: and language |  legal obligation and authority |  legal reasoning: interpretation and coherence in |  legal rights |  limits of law |  naturalism: in legal philosophy |  nature of law: interpretivist theories |  nature of law: legal positivism |  nature of law: natural law theories |  Platonism: in the philosophy of mathematics |  political obligation |  reduction, scientific 