Modern Chinese Probabilistic Modality Logics Study

language logic is a science to study concept manifestation in natural language, Probabilistic modality words in truth value modal concept are abound in modern chinese , it is reflect the pepoles form of thinking is ambiguity. To study the Modern chinese Probabilistic modality logics have theory value and operation significance .Based on past achievements about this topic ,use the linguistics and logic theory and method to study the peculiarity of Probabilistic modality logics in modern chinese .This article is divided into six parts altogether.The first part is an introduction.It focuses mainly on defining the scope of the article,and then introducing the present research state and study content and approaches .The goal and meaning to the thesis is also introduced in this part .The second part is the scope and feature to the Probabilistic modality words.Firstly,introduced the concept to the Probabilistic modality logics.Secondly,xiaoxiqiang draw into the Probabilistic modality logics and found Probabilistic modality words storeronm just is xm ciku .Thirdly,use linguistics returns analysed the typical treat of the Probabilistic modality words.Last,count the use frequency of the Probabilistic modality words,and found the XYXM ciku which can help made Probabilistic modality logics teach system .The third part is discuss the distinguish of the objective and subjective Probabilistic modality concept .and then expain the Probabilistic modality words are express the subjective Probabilistic modality just but"keneng"in xm .so we can come to the Probabilistic modality words is the means to achieve sentence subjectivly which express talkers subjective conjeture.The fourth part is analyse the form trait of the Probabilistic modality words.First, Probabilistic modality words can be leave out so long as gain the support of the specific language surroundings,in order to content literature works rhetoric need. modality words is the component out of the topic and modify the whole topic.they are very nimble in the sentence which can lie to the first ,middle and last .The fifth part is Probabilistic modality words in the compond sentence .It can as a sign to the include infrrence.The last part is the Pragmatics of Probabilistic modality words.They have the fuction to the express,sress and appraise in the sentence ,it is accord with manners principled and belong to decided sentence type.