A large part of the contents of this book is based on material originally prepared for students of argumentation at Harvard College and the Uni versity of Pennsylvania. The interest lately de veloped in the practice of formal debate, together with the interest in general debate which is always found in democratic communities, has suggested that the discussion of such a subject, revised so as to meet the needs of others besides college stu dents, may be of service to various kinds of readers. In its present form, then, the book is designed'to be helpful to those interested in any form of de bate.
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