Analyze Ethical Thoughts With Modal Logic

Nicomachean Ethics is an indispensable classic in the study of ethics.At the same time,Aristotle is also the earliest delimiter of the discipline of ethics.This article aims to combine the correlation of modal logic Knowledge interprets Nicomachean Ethics as a whole and in detail.The first chapter of this article mainly combines Aristotle’s original book Nicomachean Ethics and Christopher Shields’s book "Aristotle" to preliminarily interpret Aristotle’s topic of"goodness" And try to sort out the theoretical hierarchy and structure with "goodness" as the core.It focuses on the following issues:1.The replacement of individual "goodness" and"personal goodness";2.The evaluation of "happiness";3.The internal level interpretation of"intellectual virtue";"Contemplative" controversial discussion.In the interpretation and discussion of these issues,the general structure of a series of concepts elaborated by Aristotle in Nicomachean Ethics around "goodness" was preliminarily sorted out.The second chapter of this article will introduce the method of modal logic on the basis of the first chapter,starting from the "choice" behavior,and conducting a divine analysis and discussion on the problems mentioned in the first chapter,revealing these related expressions expressed in popular language.The foothold of the idea at the logical level.Including the introduction and application of modal languages such as "Possible World","Dual Relation"and "Kripke Model".After constructing a more complete and applicable modal model,Aristotle " The discussion of "goodness" in Nicomachean Ethics will have a more precise and effective "coordinate system".On this basis,some problems and controversies in the first chapter are discussed and studied in depth.The final chapter of this article returns to a more macro and comprehensive perspective to discuss the integrity of the theoretical system of "goodness",to explain the important position of the integrity in this theoretical system,and to point out the "intellectual virtue" and"Contemplation" is considered by Aristotle as the "best part" in Nicomachean Ethics.At the same time,through the analysis and discussion of "goodness",ethics can have a deeper enlightenment about the necessity of theory,on the one hand,it can examine where the necessary knowledge of ethics is rooted;on the other hand,explore ethics The future direction of inevitable knowledge.