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In literary practices the idea of a single subject is also all-powerful. It is uncommon for books to be signed. The concept of plagiarism does not exist: it has been established that all works are the creation of one author, who is atemporal and anonymous. The critics often invent authors: they select two dissimilar works - the Tao Te Ching and the 1001 Nights, say - attribute them to the same writer and then determine most scrupulously the psychology of this interesting homme de lettres...
Their books are also different. Works of fiction contain a single plot, with all its imaginable permutations. Those of a philosophical nature invariably include both the thesis and the antithesis, the rigorous pro and con of a doctrine. A book which does not contain its counterbook is considered incomplete.
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