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[German Version] Catechetical preaching is the homiletical exposition of portions of the catechism in the form of a sermon or a series of sermons. Although its precise classification within the homiletical genre is difficult to determine, the catechetical sermon belongs to the category of didactic sermons, which may or may not deal additionally with a biblical text. Its purpose is reinforcement of an already lively faith and the imparting of sound knowledge of its …

[German Version] I. Science – II. Ethics – III. Practical Theology I. Science Cybernetics denotes the science of the control and communication processes in machines and biological systems. Of particular interest for cybernetics are those systems that can regulate or organize themselves through feedback processes. Norbert Wiener coined the term cybernetics in 1947. It is the transliteration of the Greek κυβερνητική/ kybernētikḗ, “the helmsman's art.” Plato used this term both for the regulation of people and for the steering of a boat. To…