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vol. I pars III

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Media expo.<br />

D tio,{ecundurnq>funtparticnlares,<br />

fed conftituitur fuper natura com-'<br />

municanteoibusecclypfibus, non<br />

huicecclypfi particular!: quemadmodu<br />

non conftituitur demratio<br />

iuper reparticulari, quae corrupi*<br />

tur &nd rcdit. veru declarabimus<br />

etiam hoc in fequentibus deckra-<br />

55 tionefufficiente. Oportetautem,<br />

ft fcias,q7 no fliflicit in propofirionibus<br />

demonftrationum,qua? funt<br />

dcmoftrationes fimpliciter,no autc<br />

in reladone ad nos, v t fint medij<br />

termini ncceflarij tantu : fi no admjflum<br />

fuerit,cj> omne ncceflariii<br />

E eft per lc,fed,vtcu hoc fint etiS per<br />

ferquoniam exiftimaf'iam,^ hinc<br />

fint fyllogifmi, quoru medij termini<br />

funtneceflarij, fed no perfe:<br />

& hoc,cu accidit, vt fint duo, quorum<br />

vtrunq-, infit alicui per fe: &<br />

accidit, vtaccipiaturvnuipfbrum<br />

in moftrationefui comparis. queadmodum,fialiquis<br />

moftraret,q?<br />

hi c a:gro tus habet calore extraneii,<br />

quonia habct pulfum diuerflim:<br />

hajc enim duo fequutur per Ce putredinem,&<br />

vnii ipfbrum ineft alteri<br />

ex ncceflitate:atqui,fi dicemus<br />

F de huiufrnodi neceflanjs, qjfutcu<br />

neccffitateeflenuali, dicemushoc<br />

per aequiuocationc. fortafle cnim<br />

neceflaria per eflentia funt,de quibus<br />

vere dici tur, q? oe neceflarium<br />

eft per fe fecundu opinione Arift.<br />

Dixtt:Nonfufficitaut, vt termini<br />

medij in proponibus demonftrationum<br />

fimpliciter fint tatum per<br />

ferfed oportet cum hoc, vt fint cau<br />

faconclulionis.inueniuturetenim<br />

fyllogifmi confuniliter concludetes,&<br />

iiabctes terminos medios per<br />

fe,fedconclufionc pofteriores :'&<br />

hi funt, qui vocantur dcmonftra-<br />

PofErdtbl.<br />

tione$n6firnpliciter:qacmadmo» "<br />

dum fi quifpia rariocmaretiir, q*<br />

hxcmulier concepit, quoniam ha<br />

bet lac:&hoc,quonia coceptio eft<br />

caufa la fe. Quod<br />

cum ita fit,manifeftu,q? propone*<br />

demonftrationum flint ex generc<br />

vno,quodq;propter hoc fieri noa<br />

poteft,vt dcmoftratio tiansferatur<br />

ex fcietiis in genus aliud, quoniam<br />

propofitiones appropriate proper<br />

tionatx, qiue compreheduntur in<br />

geriere vno ex neceflitate, non corn<br />

unicant duobusgeneribusfepa-r<br />

ratis : &proptereano poteft Geo*<br />

metra moftrare rem geometrica<br />

per propones, quasagitt Coputa- *al.LArii<br />

tiuus. Atquihocitaeft,quoniam meticus -<br />

res,per quas perficitur naturade- ^<br />

monftrationis, & coftituitur vnaquaeq-,<br />

artium, ip& funt tres: quarum<br />

vnaiuntprxdicataquaefitoru<br />

in ea arte,qua: monftrantur inefle<br />

fubiedlo per ferfeciida vero,res (cit§<br />

per naturam in hocgenere:& h^<br />

funtpropofiriones, per quas monftratur<br />

pracdicatu inefle fubiedo<br />

aut per affirmationem, aut per nefe infunt, ! fiut<br />

demonftrationcs, &hoceft,quod<br />

vocaturfiibiedii artts.Oportetauc<br />

propones,ex quibus eft demoftratio<br />

in vnoquoq; genere,& vnaqua<br />

quenatura artiu demonftratiuarum,cu<br />

fintex rebus cflentialibus<br />

gencri, oportet inquam efle appro<br />

priatas.inucniuntur edam propohrione«

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