Research Of The Related Issues Arising From Modality De Re In Modal Logic

With the development of modal logic is gradually maturing, the metaphysics problem in the modal logic increasingly Exposed, Especially ,the foundation concept of modal logic–modality de re, caused many philosophical controversy.What is modality de re ?How to definite the concept of modality de re? what a development process it Experienced?This is a main line through the thesis research. Exactly in the process for explaining, It is so many metaphysical probloms caused by the modality de re that come out.Modality de re causes the disputes of essentialism,Quine points out the ambiguity in the context of Connotation to announce to the Plight of essentialism that modality de re Encountered ,so as to mark which he Opposed to the position of modal logic.Kripke used the point of view of History, in his predication in the modal logic to explain the process of Semantics, proposed a history of the naming of the causal theory ,and also, avoided discussion of the meaning of things and things have only to consider the extension. He tried to respond to the things modal Quinn raised by the attacks, and have achieved good results.When the Semantics of the possible world have been raised,the concept of modality may be explained in the framework of the possible World.Hence, modality de re caused the transworld recognition ,Or how things maintain their own identity when they are in the different possible world . Many philosophers participate the Controversy.by clarifying the concept of the possible worldKripke tried to digest the Plight of transworld identity that modality de re encountered and to some extent, the fierce situation of controversy eased.many metaphysical problems that modality de re encountered note the Situation -- modal logic want to go beyond classical logic,which marks the changes from the extension to the content of logic.The problems of connotation necessarily inherent in the metaphysics questions.With the development and maturity of increasingly sophisticated semantic connotation ,the philosophical foundation of the concept of modality de re will gradually consolidate, and will no longer be the object of attack by philosophers,...