Biancani, Giuseppe
,
Aristotelis loca mathematica
,
1615
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intra circulum per ſecundam præallegatam caderet, quod eſt abſurdum,
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quia contra hypotheſim, cum ſupponamus illam ſolùm tangere, non autem
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ſecare circulum. </
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<
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">Ex hac Euclidis doctrina Theodoſius primo ſphæricorum,
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propoſitione 3. probat planum, ſiue ſuperficiem planam tangere ſphæram
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in vnico puncto, vt hoc loco innuit Philoſophus. </
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<
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id
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">probat autem hac ferè ra
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tione. </
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<
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id
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">ſit ſphæra A B C, quæ tangat quodpiam planum
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in duobus punctis A, B, ſi fieri poteſt. </
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<
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id
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">per quæ duo pun
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cta intelligatur ducta recta linea A B, intelligatur
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etiã
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circulus A B C, qui ſecet ſphæram per centrum C. &
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per puncta A, B, ergo ex demonſtratis ab Euclide li
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nea A B, quæ coniungit puncta A B, cadet intra prædi
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ctum circulum; ſed linea hæc eſt in plano tangente ex
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ſuppoſitione, circulus verò in ſphæra; ergò cum linea
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cadat intra circulum, cadet etiam neceſſariò planum
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in quo eſt linea, & cum linea cadat intra circulum, cadet etiam neceſſariò
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intra ſphæram;
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abbr
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idemq́
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; faciet planum, quod eam neceſſariò ſequatur, ergò
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planum ſecat ſphæram, non autem tangit, quod eſt abſurdum, quia contra
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hypotheſim, ſupponunt autem Mathematici, entia hæc mathematica eſſe
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perfecta, qualia in ſublunaribus fortè non reperiuntur; ænea enim ſphæra
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nulla erit perfectè rotunda, vel planum aliquod perfectè complanatum, vt
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ipſi ſupponunt, eò quod materiæ imperfectio, ac ruditas id nequaquam pa
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tiatur. </
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<
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id
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">quare cum huiuſmodi entia non reperiantur abſtracta ab impura hac
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materia, nullum erit inquit Ariſt. abſtractum planum, quod poſſit mathe
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maticè,
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atq;
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adeò in vnico puncto mathematico ſphæram tangere. </
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hucuſq;
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neceſſaria ſunt mathematica ad huius loci
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intelligentiã
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. </
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<
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">ex quibus ea etiam,
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quæ ad phyſicum ſpectant manifeſta fiunt, nimirum ſicut entia mathemati
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ca à materia non exiſtunt ſeparata, quia ſic nullam haberent operationem;
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ita etiam anima, ſi nullam habet propriam operationem non exiſtet à cor
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pore ſeparata.</
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Ex Secundo de Anima.
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185</
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<
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">Tex. 12.
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(Non enim ſolum ipſum, quod ſit, oportet definitiuam rationem
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oſtendere, ſicut plures definitionum dicunt, ſed & cauſam ineſſe, & ap
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parere. </
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<
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id
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">nunc autem, vt concluſiones rationes definitionum ſunt, vt quid
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tetragoniſmus? </
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id
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">æquale altera parte longiori rectangulum æquilaterum
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eſſe, talis autem definitio ratio concluſionis. </
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<
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id
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">dicens autem, quod tetragoniſmus eſt
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medij inuentio rei cauſam dicit)
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aggreſſurus Ariſt. animæ definitionem præ
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mittit duplicem eſſe definitionem, alteram ſcilicet, quæ explicat ſolum rei
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eſſentiam, quam dicunt formalem definitionem; alteram verò, quæ præte
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rea explicat etiam rei cauſam, quam dicunt cauſalem definitionem: vtram
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que autem exemplo Geometrico explicat.</
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<
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">In cap. igitur de relatione plura ſcripſi de tetragoniſmo, ſeu quadratio
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ne circuli, quæ huc ſpectant. </
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<
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">propterea nunc tantum propria huius loci
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de-clarãda
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claranda</
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reſtant. </
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<
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">loquitur igitur hic Philoſophus non de quadratione circuli,</
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