De rerum varietate, libri XVII . dquodabiidisoppoiitum¢raeccentricoru & orbisnonus uarietatcm aflerant, fupponamus in perigco femi-dimctietem epicy cli part.^quadraginta-quinq;,tota dimetiens eritpart. nona-ginta,circulus coccntricus bce perpcrigcum CB,arcum coftat eife aut amplius : fedfupponat no-naginta tantum: nam quanto maiorfuerit, eo cpicycli peripheria inferiuscadet:dcfcribaturcpicyclusB cD,&ducatur ad perpendiculum re&a a d & li-nea* d b & d c: quia crgo c b eft quadrans, crit c B re&a 1*tus quadrati: at cum anguli ad a rc&i fmt utrinq;, & linc*a b, a c ,a darquale
De rerum varietate, libri XVII . dquodabiidisoppoiitum¢raeccentricoru & orbisnonus uarietatcm aflerant, fupponamus in perigco femi-dimctietem epicy cli part.^quadraginta-quinq;,tota dimetiens eritpart. nona-ginta,circulus coccntricus bce perpcrigcum CB,arcum coftat eife aut amplius : fedfupponat no-naginta tantum: nam quanto maiorfuerit, eo cpicycli peripheria inferiuscadet:dcfcribaturcpicyclusB cD,&ducatur ad perpendiculum re&a a d & li-nea* d b & d c: quia crgo c b eft quadrans, crit c B re&a 1*tus quadrati: at cum anguli ad a rc&i fmt utrinq;, & linc*a b, a c ,a darquales, quia ex centro erit, ut anguli a c d,adc,adb,abd fint sequales & dimidium recti: totus igi-turDrcctus,&quadratumB casqualc quadratisD c &db:igitur d c &d B,femidimetientes circuli b c E,&ideo d ccntrumeius & centnim tcrra? :igiturepicycluspercentrumterra; traniibit: non ergo funt epicycli. His uiiis accipia-mus manifefta pro fuppofitis: Solis medius motus, apo- geum,. L I B. I I. C A P. X I. ?i geum & pcrigeum, eadem funt cum his cjua: funt Vencris:Solque ipfe femper fub ecliptica octaui orbi^ dcfertur, il-liusmutationes undequaquereferens in longitudine la-titudineque : anticiparunt autem xquinoctia fcmperabannis quadringenti; atitc Chriltum,ufquead Albatenium,qui floruit annis dccc Chriftum/emper augendo:poil Albatenium autem anticiparunt,fcd minuendo. In o»ctauo autem orbe mouentur ltelfx fecundum fignorumordincm, itautin ccntum annis particula una fuperent,fcd tamcn inxqualitcr: quoniam nongentis anras antcChriltum, Hclifei tcmporibus , motus ccepit tardior fieri:ita ut ad nongentos annos ufque, addantur ;,cum tertia,in iingulos centum igitur motus hicufque ad Chriftum, dcccc dccc dcc Qflau* ff>h*+ M. xvnl-S xxn S-S xxviii rtmotu** D C D C C C C XXXIII I-S XXXVIII S_S XLIIU ccc cc ufqjadChriitum. XUX I-S LIIII S-S LX. Poft Chriftum autemhocmodo,c cc cc c I-S LXX SS LXXVl CCCC D D C LXXXI I~S L XXXVI S-
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