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8The Navya-Nyāya Doctrine of Negation. The Semantics and Ontology of Negative Statements in Navya-Nyāya PhilosophyJournal of Symbolic Logic 40 (3): 445-447. 1975.
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35Konrad Marc-Wogau. Bemerkungen zum Begriff “Sinnesdatum” in der Diskussion der letzten Jahre. Theoria , Bd. 16 , S. 63–74. - Justus Hartnack. A note on existence. Remarks on Professor Konrad Marc-Wogau's “Bemerkungen zum Begriff ‘Sinnesdatum’ in der Diskussion der letzten Jahre” . Theoria , Bd. 16 , S. 247–248. - Konrad Marc-Wogau. Bemerkung zum Ausdruck “existiert.” Antwort auf die Bemerkungen von Justus Hartnack. Theoria , Bd. 16 , S. 249–250 (review)Journal of Symbolic Logic 36 (4): 673. 1971.
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33Hugo Bergmann. Probleme des Existenzbegriffes. Theoria , Bd. 16 , S. 21–35Journal of Symbolic Logic 36 (4): 672-673. 1971.
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9Definitions of the Concept Vyāpti According to GaṅgesaJournal of Symbolic Logic 33 (4): 605-605. 1968.
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24Bolzano, the Prescient EncyclopedistGrazer Philosophische Studien 53 (1): 13-32. 1997.In his Wissenschaftslehre Bernard Bolzano tried to lay down a logically satisfactory foundation of mathematics and theory of probability. Thereby he became aware of the distinction between the actual thoughts and judgments of human beings, their linguistic expressions and the abstract propositions {Sätze an sich) and their components (Vorstellungen an sich). This ontological distinction is fundamental in Bolzano's thinking paired with a universal world view in the sense that philosophy, mathemat…Read more
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29Arthur W. Burks. The presupposition theory of induction. Philosophy of science, vol. 20 , pp. 177–197. - Arthur W. Burks. On the presuppositions of induction. The review of metaphysics, vol. 8 no. 4 , pp. 574–611 (review)Journal of Symbolic Logic 33 (2): 314-316. 1968.
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7Arthur W. Burks. Dispositional statements. Philosophy of science, vol. 22 , pp. 175–193Journal of Symbolic Logic 33 (2): 313-314. 1968.
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3@stephanjoubert: Tweeting the gospel aphoristicallyHTS Theological Studies 77 (4). 2021.This contribution focusses on some of the digital theological expressions of Stephan Joubert from an auto-ethnographic angle. Orientating from a practical theology perspective, I have chosen the social media platform Twitter, and more specifically the @stephanjoubert domain, as source to chart some significant tweet expressions for the purpose of describing the character and value of an aphoristic theology. In order to do so, I have used some randomly selected tweets of Stephan Joubert, spanning…Read more
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14Jan Hendrik van den Berg Answers Some QuestionsJanus Head 10 (2): 377-383. 2008.In this interview with Jan Hendrik van den Berg, the Dutch phenomenologist and psychiatrist addresses the origins of his work, his most significant influences, and the purpose of metabletic phenomenology in the modern age. In the course of the interview. Dr. Van den Berg provides a basic overview of his work, and highlights the central finding of his metabletic analyses: a loss of wonder before nature, which results from the more fundamental loss of genuine spirituality in the modern world.
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2Tweeting God: Notes on articulating a Twitter theologyHTS Theological Studies 75 (4): 1-7. 2019.As part of the search for relevant and contextual articulations of theology, this article provides an overview of a comprehensive research project that explored, described and analysed Christian motifs on Twitter. Based on the brief overview of the project, perspectives for the formulation of a Twitter theology are presented from a practical theological orientation. Two central markers are indicated and described as primary drivers of a Twitter theology: the first marker places its focus on the …Read more
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18The Development of Modern DeismZeitschrift für Religions- Und Geistesgeschichte 71 (4): 335-356. 2019.
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17Tweeting dignity: A practical theological reflection on Twitter’s normative functionHTS Theological Studies 73 (4): 1-7. 2017.Social media makes an important contribution to a rapidly changing world in which various domains of meaning are described anew. The evolving nature and dynamic character of social media therefore provides for a rich praxis terrain with which to interact from a practical theological orientation. More specifically associated with the theme of this contribution, the social media sphere also provides an excellent space not only to rethink but also to reenact expressions of dignity in society. The r…Read more
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20Background Genuine uncertainty on superiority of one intervention over the other is called equipoise. Physician-investigators in randomized controlled trials need equipoise at least in studies with more than minimal risks. Ideally, this equipoise is also present in patient-participants. In pediatrics, data on equipoise are lacking. We hypothesize that 1) lack of equipoise at enrolment among parents may reduce recruitment; 2) lack of equipoise during participation may reduce retention in patients…Read more
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17The story of the hashtag: A practical theological tracing of the hashtag symbol on TwitterHTS Theological Studies 70 (1). 2014.
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5Tweeting #humanwaste: A practical theological tracing of #humanwaste as a trend on TwitterHTS Theological Studies 70 (2). 2014.
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6Middelloopbaan-ontwikkeling deur spirituele lewenstylafrigting: Verkennende teoretiese perspektieweHTS Theological Studies 69 (2). 2013.
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5’n Waardering vir die positiewe! Waarderende betrokkenheid as ‘n gemeentelike- en pastorale lensHTS Theological Studies 67 (2). 2011.
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13Bibliometric mapping of computer and information ethicsEthics and Information Technology 13 (3): 241-249. 2011.This paper presents the first bibliometric mapping analysis of the field of computer and information ethics (C&IE). It provides a map of the relations between 400 key terms in the field. This term map can be used to get an overview of concepts and topics in the field and to identify relations between information and communication technology concepts on the one hand and ethical concepts on the other hand. To produce the term map, a data set of over thousand articles published in leading journals …Read more
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8Book reviews : Bernard Bolzano : Theory of science. Edited and translated by Rolf George. Berkeley and Los Angeles: University of california press, i972. Pp. xlviii + 399. $I6.00 (review)Philosophy of the Social Sciences 3 (3): 267-269. 1973.