ARGUMENT NO.3 o There is a problem with propositional attitudes (命题态度) o propositional attitudes appear to have a form similar to public language sentences, with a compositional structure and syntax. For example a persons belief that, say the president dislikes terrorists appears to be composed of the concepts THE PRESIDENT,“ DISLIKES”,and TERRORISTS. a belief-structure mirrors the sentence-structure o By the way beliefs resemble public sentences in that they have semantic propertiesARGUMENT NO.3 (I)  There is a problem with propositional attitudes (命题态度).  propositional attitudes appear to have a form similar to public language sentences, with a compositional structure and syntax. For example, a person‘s belief that, say, the president dislikes terrorists appears to be composed of the concepts “THE PRESIDENT”, “DISLIKES”, and “TERRORISTS”. A belief-structure mirrors the sentence-structure.  By the way, beliefs resemble public sentences in that they have semantic properties