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In recent works on the symbolic significance of artificial beings in literature, the descriptions of humans as puppets or automata have been analyzed in singular terms, signifying people who lack autonomy in action or thought. This chapter demonstrates that in European literature of the early nineteenth century, the puppet and the automaton are used in disparate ways, the former in positive terms as a representation of a being that is in tune with natural forces and the latter in negative terms as a dead being that mindlessly follows the dictates of its programming. Through the examination of both objects in the works of E. T. A. Hoffmann, Jean Paul, Johann Wolfgang von Goethe, Heinrich von Kleist, George Sand, and Carlo Collodi, the symbolic difference is explained through its connection to the Romantic worldview of the period, which valorized the surrender to higher forces while decrying the mechanization of humanity.
This chapter explores two strategies for preserving the memory of live music in early Ptolemaic Egypt by reading Posidippus’ epigram (37 AB) on Arion’s lyre next to Hedylus’ epigram (4 GP) on an automated rhyton in the shape of the Egyptian god Bes. While Arion’s lyre captures the essence of a classic but long-dead virtuoso in amber, the rhyton performs its song on endless repeat. I suggest that the automated rhyton, as interpreted by Hedylus, represents an attempt to create an eternal first performance of a type of song that could represent the Graeco-Egyptian Ptolemaic empire: a hymn to the Nile.
An illustration of coinduction in terms of a notion
of weak bisimilarity is presented.
First, an operational semantics $\mbox{${\cal O}$}$ for while programs is defined
in terms of a final automaton. It identifies any two
programs that are weakly bisimilar, and induces in a
canonical manner a compositional model $\mbox{${\cal D}$}$.
Next $\mbox{${\cal O}$}= \mbox{${\cal D}$}$ is proved by coinduction.
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