A thoroughly updated and revised new edition to accompany "Essential Grammar in Use Third Edition". The book contains a wealth of additional exercises which provide students with extra practice of the grammar they have studied. Suitable for class work or for self-study, the exercises offer excellent revision, consolidation and extension opportunities.
Chinese Herbal Formulas: Treatment Principles and Composition Strategies
Traditionally the study of Chinese herbal formulas has involved memorizing hundreds of classic formulas, and recognizing and summarizing the relevant treatment rules and formula-making strategies in order to create appropriate formulas for treatment. This new book by Yifan Yang, author of "Chinese Herbal Medicines: Comparisons and Characteristics" (which pioneered the comparative method of single herb study), introduces a new approach to formula study.
This book provides a comprehensive exposition of the theory of braids, beginning with the basic mathematical definitions and structures. Among the many topics explained in detail are: the braid group for various surfaces; the solution of the word problem for the braid group; braids in the context of knots and links (Alexander's theorem); Markov's theorem and its use in obtaining braid invariants; the connection between the Platonic solids (regular polyhedra) and braids; the use of braids in the solution of algebraic equations.
At every stage of civilization, people have relied on symbolic expression, and advances in science and technology have only increased our dependence on symbols. An essential part of the ancient arts of the Orient and Western medieval traditions, symbolism underwent a twentieth-century revival with the study of the unconscious. Indeed, symbolic language is considered a science, and this informative volume offers an indispensable tool in the study of symbology.
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