Full text: de Sacrobosco, Johannes: Sphaera Ioannis de Sacro Bosco emendata

DE SACRO BOSCO, CAP. 1. pacißimum: vnde cùm mundus omnia con-
tineat, talis forma fuit illi vtilis & com-
moda.

16. SCHOLION VINETI.

Ι σὸν æquale, περὶ circum, μέτρον menſura. περίμετρος
linea circundans, & ambit{us}. Si itaque fuerint duæ inſu-
læ, verbi gratia, ambit{us} vicenûm ſtadiorum, quarum alte-
ra triquetra ſit, altera rotunda, ſic circuli ſpeciem habeat, iſo-
perimetrarum illarum maior erit rotunda. Sic habebit, ſi ex eo-
dem luto v{as} rotundum & quadratum finxeris. Theon in lib. 1. magnæ Syntaxeos Ptolemæi.

Neceßit{as}, quoniam ſi mundus eſſet alterius
formæ, quàm ro-
tundæ, ſcilicet tri-

lateræ, vel quadri-

lateræ, vel multi-

lateræ, ſequeren-
tur duo impoßibi-
lia, ſcilicet quòd a-
liquis locus eſſet
vacuus & corpus
ſine loco: quorum


vtrunque est falſum, ſicut patet in angulis ele-
uatis & circunuolutis.

16.1.

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