The Tracts on the Sphere: Knowledge Restructured Over a Network

Valleriani, Matteo

doi:10.1007/978-3-319-45671-3_16

Cited by 33 publications

(37 citation statements)

References 22 publications

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“…Nuñes proposes a mathematical demonstration of the varying width of the climate zones. Matteo Valleriani has traced the way in which this particular section was incorporated into a large number of subsequent Sphaera commentaries (Valleriani 2017…”

Section: Nuñes Addsmentioning

confidence: 99%

Sacrobosco’s Sphaera in Spain and Portugal

Crowther

2020

De Sphaera of Johannes De Sacrobosco in the Early Modern Period

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This paper analyzes sixteenth-century commentaries on Johannes de Sacrobosco's Sphaera in Portuguese and Spanish. Between the fifteenth and seventeenth centuries, there were more translations of the Sphaera into Castilian and Portuguese than into all other European vernaculars combined. A major reason for the interest in Sphaera translations in Spain and Portugal was that the basic astronomical and geographical knowledge contained in this text could be used for navigation. Because of their enormous interests in overseas exploration and colonization, Iberian monarchs supported the development of cosmography, a subject that combined mathematics, astronomy, and geography. The astronomical information in the Sphaera was also valued on the Iberian Peninsula for its applications to astrology. Finally, the Sphaera was critical to a Christian education because it taught readers to appreciate the wonders of God's creation. Spanish and Portuguese commentaries on Sacrobosco's Sphaera reflect this mix of practical, political, and spiritual concerns.

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Section: Nuñes Addsmentioning

confidence: 99%

Sacrobosco’s Sphaera in Spain and Portugal

Crowther

2020

De Sphaera of Johannes De Sacrobosco in the Early Modern Period

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“…Although Avelar was a successor of Pedro Nuñes at the mathematics chair of the University of Coimbra, he never cited his writings (Leitão 2002, 27). In contrast, the many editions of Élie Vinet's Sphaera Joannis de Sacro Bosco Emendata contained Nuñes's analysis of the climes (Valleriani 2017); and the Portuguese mathematician was also cited in other commentaries, such as Clavius, where his name appeared in nine different places (Knobloch 1999, 347).…”

Section: The Sources Of Avelar's Sphaeramentioning

confidence: 99%

André do Avelar and the Teaching of Sacrobosco’s Sphaera at the University of Coimbra

Martins

de²

2020

De Sphaera of Johannes De Sacrobosco in the Early Modern Period

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André do Avelar was the mathematics professor of University of Coimbra from 1592 to 1616. During his lifetime he published two astronomical works: a popular vernacular book called Reportorio dos tempos (1585) and Sphaerae vtrivsque tabella (1593). Avelar's Sphaera, composed for use at the university, was the only Latin version of Sacrobosco's work ever published in Portugal. Avelar's book was inspired by Sacrobosco's work and followed it closely, but it might be regarded as a new work, because he changed the wording and the order of presentation of the topics, added new information and several tables. After his retirement, Avelar was accused of Jewish beliefs and practices, and was condemned by the Inquisition in 1620, dying in prison. This paper analyzes Avelar's life, his work at the University of Coimbra, the content and role of his Sphaera, his career, and his trial by the Inquisition.

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“…For an overview of general scientific tendencies reflected in the transformative process the commentaries of Sacrobosco's Sphaera underwent, see(Valleriani 2017).5 Conrad Tockler's Research Agenda…”

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confidence: 99%

Conrad Tockler’s Research Agenda

Valleriani

Citron

2020

De Sphaera of Johannes De Sacrobosco in the Early Modern Period

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Conrad Tockler, alias Noricus, was a university professor in Leipzig at the beginning of the sixteenth century and Rector magnificus of the university from 1512 on. He was a physician adept at astrological medicine and was also a fairly skilled mathematician. His publication list begins in 1502 with a Libellus de sole, a commented reprint of Marsilius Ficinus's homonimous work. Tockler also authored two different commented editions of Johannes de Sacrobosco's Tractatus de sphaera. In his view, cosmological knowledge was directly connected with his medical activities via astrology. The paper reconstructs the intellectual context in which Tockler was active with the aim to understand how much he can be considered innovative, or whether he was in truth a late expression of an already declining late Medieval knowledge system that unified astronomy, astrology, and medicine in form of a structure pivoted around cosmological knowledge.

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The Tracts on the Sphere: Knowledge Restructured Over a Network

Cited by 33 publications

References 22 publications

Sacrobosco’s Sphaera in Spain and Portugal

Sacrobosco’s Sphaera in Spain and Portugal

André do Avelar and the Teaching of Sacrobosco’s Sphaera at the University of Coimbra

Conrad Tockler’s Research Agenda

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