![]() Chapters 4-6 lay out the central argument, described above. The first part (Chapters 1-3) consists of a historical study of the notion of logical form. The book's nine chapters are grouped into three parts. Iacona concludes that there is no single conception of logical form which can adequately serve both the semantic and the logical roles. This second notion of logical form, for its part, would not be suitable to serve the role reserved for logical form in semantic theories (for reasons which will be made clearer below). the content they express on particular occasions. What is required to account for such cases is an alternative notion of logical form, according to which the bearers of logical form are not sentences of natural language but what we say by means of such sentences, i.e. This is so since in such cases, the semanticist holds that content is only determined at a post-semantic stage, but there are, according to Iacona, distinctly logical properties that first show up when the full asserted content is in view. Semantic theory, Iacona argues, cannot account for the logical validity of all arguments - for instance, it fails when these arguments involve context-sensitive, vague expressions, and non-standard quantifiers. The second is the role assigned to it by logic, where it is called upon to explain the validity of arguments, the logical relations of consistency and contradiction between asserted sentences, etc. The first is the role assigned to it by compositional semantic theory, where logical form is conceived as part of the input on the basis of which we grasp the meaning of sentences. There is a widespread assumption, which is wrongheaded according to Iacona, that there is a single notion of logical form that can serve two distinct roles. The book advances the following argument. ![]() ![]() Andrea Iacona's book aims to undermine the idea that there is a single unified notion at the basis of these various philosophical practices. It is appealed to when we evaluate the validity of arguments it is said to underlie the structure of sentences it forms part of theories of meaning and it figures in debates over the kind of commitments we undertake in asserting sentences. The notion of logical form plays various roles in contemporary philosophy. ![]()
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