Cardano, Geronimo, Opvs novvm de proportionibvs nvmerorvm, motvvm, pondervm, sonorvm, aliarvmqv'e rervm mensurandarum, non solùm geometrico more stabilitum, sed etiam uarijs experimentis & observationibus rerum in natura, solerti demonstratione illustratum, ad multiplices usus accommodatum, & in V libros digestum. Praeterea Artis Magnae, sive de regvlis algebraicis, liber vnvs abstrvsissimvs & inexhaustus planetotius Ariothmeticae thesaurus ... Item De Aliza Regvla Liber, hoc est, algebraicae logisticae suae, numeros recondita numerandi subtilitate, secundum Geometricas quantitates inquirentis ...

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Deduco pri­
fit
26961/12566, multiplico 12566 per 9, quia proportio unius ad alterum
eſt
fermè, ut 9 ad 4, & fit 113094, multiplico 4 in 28961 fit 115844,
hoc
igitur eſt maius, igitur proportio 28961 ad 12566 eſt maior
quàm
9 ad 4, detraho igitur 12566 ex 28961, relinquitur 16395, de­
traho
113094 ex 115844, relinquitur 2750, diuido 2750 per 16395
exit
55/328 addo 2 denominatori fit 55/330, quod eſt 1/6, nam iſtæ additiones
paruæ
præter quòd parum uariant quantitatem etiam dum ad ex­
amen
reducuntur, nihil impediunt, detrahe igitur 1/6 à 9/4, & ducendo
per
6, & detrahendo 53/23, duco igitur primos numeros ſcilicet 28961/12566
mutuo
in 53/23, fiunt 665998, & 666107, ita uides, quod proportio
53
ad 23 eſt paulo minor, quàm 28961 ad 12566, & æquiualent 27/23
& 2 3829/12566.
Co_{m}.