An introduction supplies the concepts needed to approach the main discussions. The principal subjects are the disciplines and problems that the work chiefly sets out to explain.
A preliminary definition or a map of the disciplines may appear in the introduction. Detailed principles and their applications belong to the main body.
The introduction is not unimportant: a mistaken foundation can distort the interpretation of later rules.
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Introduction: Structure, Three Disciplines and Kinds of Preface
An introduction supplies the concepts needed to approach the main discussions. The principal subjects are the disciplines and problems that the work chiefly sets out to explain.
A preliminary definition or a map of the disciplines may appear in the introduction. Detailed principles and their applications belong to the main body.
The introduction is not unimportant: a mistaken foundation can distort the interpretation of later rules.