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Leonardo’s folio 735 of the Codex Atlanticus How Leonardo discovered more solids than those mentioned in 'De Divina Proportione'

Authors:

Dirk Huylebrouck ,

Faculty of Architecture, KU Leuven, BE
About Dirk

Dirk Huylebrouck lectured in Congo and Burundi for twelve years, interrupted by assignments in Portugal and at Maryland University Europe. Next, he taught at the Faculty of Architecture of the KU Leuven (Belgium) and edited the column ‘The Mathematical Tourist’ in the journal The Mathematical Intelligencer. He wrote five books in Dutch, translated into French and/or English): Afrika + wiskunde (2005), De Codes van da Vinci, Bach, pi (2009), België + wiskunde (2009), Wiskunst (2016) and De columns van  Professor Pi (2020). Together with Emma Grootveld (Leiden University) and visual artist Rinus Roelofs, he edited the first Dutch translation of De Divina Proportione.

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Angelo Mingarelli

School of Mathematics and Statistics, CA
About Angelo
Angelo Mingarelli is Professor of Mathematics at Carleton University, Ottawa, Canada. In 2019, he was the chair and organizer of the Leonardo Cinquecento-Carleton University celebrates Leonardo da Vinci, year-long program at Carleton where specialists from around the world were invited on a monthly basis to give talks and share their knowledge of Leonardo da Vinci during the 500th anniversary of his death. He specializes in differential equations and its applications and geometry in its many forms.
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Abstract

Il folio 735 di Leonardo

Nella prefazione a De Divina Proportione (1498 e 1509) Luca Pacioli loda Leonardo per le sue illustrazioni al libro: disegni di prismi, piramidi, cilindri, sfere, i cinque solidi platonici e sei dei tredici solidi archimedei. Sul folio 735 del Codice Atlantico, tuttavia, Leonardo sembra aver disegnato due altri solidi archimedei che sarebbero stati scoperti molto più tardi, oltre a un rombicubottaedro troncato e forse anche alcuni solidi di Johnson. È generalmente accettato che Leonardo cominciò a studiare i poliedri nel 1496, dopo aver conosciuto Pacioli alla corte di Milano; di conseguenza è plausibile una datazione del folio tra il 1495 e il 1497. Sebbene De Divina Proportione contenga numerosi disegni di poliedri, Pacioli non incluse nel trattato le scoperte di Leonardo, pur lavorando in stretta collaborazione con il vinciano.

DOI: https://doi.org/10.18352/incontri.10334
How to Cite: Huylebrouck, D. and Mingarelli, A., 2020. Leonardo’s folio 735 of the Codex Atlanticus How Leonardo discovered more solids than those mentioned in 'De Divina Proportione'. Incontri. Rivista europea di studi italiani, 35(1), pp.59–67. DOI: http://doi.org/10.18352/incontri.10334
Published on 31 Aug 2020.
Peer Reviewed

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