并列题名：Metaphysics of relation Metaphysics of relation 并列题名：Metaphysics of meaning 并列题名：Metaphysics of right 并列题名：Metaphysics of ideal state 并列题名：Metaphysics for the future 并列题名：Economics of regulation 并列题名：Metaphysics and state 并列题名：Metaphysics the elements 并列题名：Metaphysics of political economics