On the occasion of the 100th birthday of the physical chemist Kurt Schwabe the article presents an overview about Schwabe’s activities as president of the Saxon Academy of Science from 1965 to 1980. Main topics of this time which has to be solved by Schwabe were to ensure the further existence of the academy and to reach an agreement about the principles of cooperation between the Saxon Academy of Science and the Berlin Academy of Science as an agreement of equals.

Kann die Kritische Theorie im erziehungswissenschaftlichen und bildungspolitischen Diskurs noch Aktualität beanspruchen? In ihren Beiträgen befassen sich die Autorinnen und Autoren mit einzelnen erziehungs- und bildungstheoretischen Aspekten des aktuellen Diskurses sowie mit pädagogisch relevanten Themen aus dem gesellschaftspolitischen Bereich. Im Fokus steht die Frage, ob die Denkinstrumente der Kritischen Theorie noch zur Analyse von Entwicklungen und zur Aufklärung über Widersprüche im erziehungswissenschaftlichen Diskurs beitragen können.

We show the existence of a high r. e. degree bounding only joins of minimal pairs and of a high2 nonbounding r. e. degree. MSC: 03D25.

We will prove in Zermelo-Fraenkel set theory without axiom of choice that the transitive hull R* of a relation R is not much “bigger” than R itself. As a measure for the size of a relation we introduce the notion of κ+-narrowness using surjective Hartogs numbers rather than the usul injective Hartogs values. The main theorem of this paper states that the transitive hull of a κ+-narrow relation is κ+-narrow. As an immediate corollary we obtain that, for every infinite cardinal (...) κ, the class HCκ of all κ-hereditary sets is a set with von Neumann rank ϱ ≤ κ+. Moreover, ϱ = κ+ if and only if κ is singular, otherwise ϱ = κ. The statements of the corollary are well known in the presence of the axiom of choice . To prove them without AC - as carried through here - is, however, much harder. A special case of the corollary has been treated independently by T. JECH. (shrink)

We will prove in Zermelo-Fraenkel set theory without axiom of choice that the transitive hull R* of a relation R is not much “bigger” than R itself. As a measure for the size of a relation we introduce the notion of κ+-narrowness using surjective Hartogs numbers rather than the usul injective Hartogs values. The main theorem of this paper states that the transitive hull of a κ+-narrow relation is κ+-narrow. As an immediate corollary we obtain that, for every infinite cardinal (...) κ, the class HCκ of all κ-hereditary sets is a set with von Neumann rank ϱ(HCκ) ≤ κ+. Moreover, ϱ(HCκ) = κ+ if and only if κ is singular, otherwise ϱ(HCκ) = κ. The statements of the corollary are well known in the presence of the axiom of choice (AC). To prove them without AC - as carried through here - is, however, much harder. A special case of the corollary (κ = ω1, i.e., the class HCω1 of all hereditarily countable sets) has been treated independently by T. JECH. (shrink)

In literature and the humanities, guilt has the same major importance as in penal law. Due to the anthropocentric legal system, however, guilt is the linchpin par excellence within the framework of penal law. The article confirms this emphasis on guilt through an examination of the constitutional determinants of penal law, the development of the concept of guilt, and also a change in its perspective which has shifted to an emphasis on the purpose of punishment rather than on the reasons (...) for it. Penal law is intended to ensure legal peace and map out a path for reconciliation within society. (shrink)

Auch als originar politischer Denker ist Karl Jaspers reich an Einsichten: Ausgehend vom Ethos der Freiheit jedes Einzelnen richtet er seinen Blick auf die konkrete politische Gestaltung einer Freiheitsordnung. Dabei steht fur ihn im Hinblick auf die noch junge Bundesrepublik die Selbsterziehung in Freiheit im Zentrum seiner oft mahnenden Worte. Ganz im sokratischen Sinne fordert er intellektuelle Redlichkeit und politische Wahrhaftigkeit ein, um den beiden grossen Gegenwartsherausforderungen gewachsen zu sein: einer atomwaffenbestuckten Welt, die sich jederzeit selbst ausloschen kann, und (...) dem modernen Totalitarismus, der in seiner Verherrlichung des Antipolitischen allen politischen Ordnungsbestrebungen die Vernichtung androht. Jeder Frieden, der mehr ist als die Friedhofsruhe eines Waffenstillstands, grundet fur Jaspers in der politischen Freiheit handelnder Burgerinnen und Burger, die gemeinsam Sorge fur die Integritat ihres politischen Gemeinwesens tragen. Mit Beitragen von Karl-Heinz Breier, Alexander Gantschow, Anton Hugli, Annabelle Petschow, Kurt Salamun, Reinhard Schulz, Bernhard Sutor, Bernd Weidmann. (shrink)

The differentiation of trait anxiety and depression in nonclinical and clinical populations is addressed. Following the tripartite model, it is assumed that anxiety and depression share a large portion of negative affectivity, but differ with respect to bodily hyperarousal and anhedonia. In contrast to the tripartite model, NA is subdivided into worry and dysthymia, which leads to a four-variable model of anxiety and depression encompassing emotionality, worry, dysthymia, and anhedonia. Item-level confirmatory factor analyses and latent class cluster analysis based on (...) a large nation-wide representative German sample substantiate the construct validity of the model. Further evidence concerning convergent and discriminant validity with respect to related constructs is obtained in two smaller nonclinical and clinical samples. Factors influencing the association between components of anxiety and depression are discussed. (shrink)

Religious experience can acquire plausibility within a religious tradition not only because of its "immediate giveness" but also through its objective validity and relevance. In medieval theology the doctrine of spiritual senses (sensus spiritualesj was an important locus for discussing the veracity of religious experience. The following paper examines the discourse of mystic experience in Fourteenth Century England and its historical background on the basis of the doctrine of spiritual senses - with the voices of Bonaventure, Richard Rolle, Margery Kempe, (...) Walter Hilton, Thomas Basset and the author of the Cloud of Unknowing. The theological position of the anonymous Cloud-author is of particular interest. This article suggests that the Cloud-author diagnoses a naive "mysticism experienced" as the underlying principle of some works of religious instruction. Hence the anonymous author antagonizes this experientialism with a critical epistemology, limiting the "sensational field" of mystic experience to a rather naked "cognitive nucleus". /// A experiência religiosa pode adquirir plausibilidade dentro de uma tradição religiosa não apenas por causa da sua facticidade imediata, mas também através da sua validade objectiva e relevância. Na teologia medieval, a doutrina dos sentidos espirituais (sensus spirituales) constituía um lugar importante para a discussão da veracidade da experiência religiosa. O presente artigo analisa o discurso acerca da experiência mística na Inglaterra do século XIV bem como o seu contexto histórico com base na doutrina dos sentidos espirituais, dando espaço às vozes de S. Boaventura, Richard Rolle, Margery Kempe, Walter Hilton, Thomas Basset e o autor da obra Cloud of Unknowing. Mostra-se por que razão a posição teológica do autor anónimo da Cloud of Unknowing é particularmente interessante. O artigo sugere que o autor desta importante obra diagnostica como naive o experiencialismo místico considerado como basilar a algumas obras de instrução religiosa. Daí que o autor anónimo antagonize este experiencialismo com base numa epistemologia crítica, limitando o "campo sensacional" da experiência mística a um simples "núcleo cognitivo". (shrink)

In Homer’s account of the adventurous journey of Odysseus, the song of the sirens was so appealing and tempting that it lured sailors to their deaths. Warned by the goddess Kirke, Odysseus overcame the trap by plugging his crew’s ears with wax. An archaeo-acoustical research expedition undertaken by members of Humboldt University Berlin made sound propagation experiments at the supposedly historical scene at the Galli Islands where it’s said that the sirens originally sung. At the site we broadcasted both synthetic (...) signals and natural voices via loudspeakers in the direction Odysseus most probably should have approached the Siren’s island. Subjective listening as well as objective acoustic analysis of the recorded signals revealed evidence for a combination of site-specific acoustic effects, which may explain the nature and origin of the song of the sirens in Homer. The local arrangement of the three islands deforms the acoustic signals by amplification and by changes in timbre. Two female singers from the Berlin State Opera were asked to sing differently pitched musical intervals to be tested in the Li Galli environment. The experiment evinced that the first overtones would be merged by the echo of the rocks; yet when singing pure thirds and less consonant intervals, which yield higher orders in the overtone series, the voices appear recognisable as being two. As a result, and particularly because Homer stresses the number of exactly two sirens several times, the evidence of our research supports the musicological theory for a rather early existence of enharmonic tunings and most prominently a two-part polyphonic singing of Greek songs. Given that the rocky formation of the Galli Islands most likely didn’t change during the geological tick of just 2,700 years, we conclude that there has been a real acoustic basis for the myth reported by Homer and that a “song of the Sirens”, most probably based on natural voices, was transformed by the particular acoustic conditions of the landscape in such a way that signals were amplified and sent out in one concrete direction. Based on these results, we continue to discuss further leading acoustic theories that offer new insights into the mythology and which were essential to motivate our expedition in the first place. After all, the question remains open what kind of beings the first emitters of the song might have been. (shrink)

Aristoteles, als Vollender des griechischen Anfangs der Philosophie, hat die Metaphysik in den Beginn ihrer geschichtlichen Entfaltung gebracht. Es ist nicht die Absicht dieses Buches, uber die Philosophie des Aristoteles in der Vollstandigkeit ihrer Aspekte doxographisch zu berichten. Sie unternimmt vielmehr den Versuch, im Mitdenken einiger Grundgedanken des Aristoteles sichtbar zu machen, wie die Metaphysik sich in ihre Gestalt aufstellt, wie sie selbst ihr Wesen zum Vorschein bringt, welche Notwendigkeiten in ihr walten und worin diese Notwendigkeiten zuletzt beruhen. Diese Arbeit (...) steht zuletzt im Dienst der Aufgabe, durch eine erneute Hinwendung zum geschichtlichen Beginn der Metaphysik etwas von der Aufgabe sichtbar zu machen, vor die sich das postmetaphysische Denken gestellt findet. (shrink)

We study a notion ofpartial primitive recursion (p.p.r.) including the concept ofparallelism in the context of partial continuous functions of type level one in the sense of [Krei], [Sco82], [Ers]. A variety of subrecursive hierarchies with respect top.p.r. is introduced and it turns out that they all coincide.

It is easy to prove in ZF− that a relation R satisfies the maximal condition if and only if its transitive hull R* does; equivalently: R is well-founded if and only if R* is. We will show in the following that, if the maximal condition is replaced by the chain condition, as is often the case in Algebra, the resulting statement is not provable in ZF− anymore . More precisely, we will prove that this statement is equivalent in ZF− to (...) the countable axiom of choice ACω. Moreover, applying this result we will prove that the axiom of dependent choices, restricted to partial orders as used in Algebra, already implies the general form for arbitrary relations as formulated first by Teichmüller and, independently, some time later by Bernays and Tarski. (shrink)