Book de Ortz & Interitu, he defines Mixture co be che Union of chings mixable, being alce-

red, For when he faies che Unionof thingsakered, he intimates thac che things mixed do nor petifh, bur remain inthe body mixed. For if they are alrered and mixed they do not pecith. Nor does the word Union oppofe this Opinion, as Zabarella conceits in cap. 1. de “Mif. buc catcher confisms'the fame, For Union 1s the Copulation of fuch things as haveva real Being, but not of things that perifh. And alchough of many things one be Made: yee neither isic nece(lary chat chofe fimples fhould pecifh, norisic a meer ageregation er blen= ding, but che fimples by a fupetior form arereduced Anto one body. And chis Doctrine of che Ancients, viz. ‘That the Elements and {imple Bodies do keep their nacures entire inthe Compounds, is the key (ina manner) coal Natural Philofophy, and che greateft part of Chyauttcry and Phy fick. a FoWs Paeeee : Conctariwife, That only Opinion of Ariftotle, That the Simples do not retain theic Watures in mixc Bodies, hath caft che Expoficors of Ariftotle into Labyrinths and inextrica- ble Controvetfies, and hath been broughe into Natural Philofophy to che great dammage of Phyfick 3 - which being rejected all chings become plain and eafie. . The ancient Pailofophers, and late Authors which follow chem, have been induced to im-
end of Lib. x. de Ortu & Intevitu acknowledges. Nor could he do otherwife. For fince Cas in Metapb. Lib. 5. text. 3.) he declares, That Eletnents are thae of which exiftin things confift ; icmuft needs be chat chefe Elements (if chey were Elements) mitt abide and exift inthe mixt Body. ;
Moreover, Since Action prefuppofes Act, and in mixt bodies the actions of the Elements are apparent ; of neceffity chey mutt beactually inchens. Notco {peak of others, 4riftotle hunteit, Lib. 1.de Colo, writes, That a mixt Body is moved according co che {way of the prevailing Elemenr,
Finally, The Refolution of mixt Bodies into their Elements fhews the fame. Formixé bodies are refolved intothe Elements s and Ariftotle bimfelf in 1, de generat. 9 COrrHpo text. 84 faies, That the chingsmixable may be feparated again fromthe mixt body, And if fo, chen were they actually in che mixed body.
The force of which Argument is (uch, That chofe who have labored to anfwer the fame,
have thamefully foiled themfeives. For che Conimbricenfian Collegiaces, while they deny that while Woods are burnc they are refolved into the four Elements, and deny thag the water which drops ouc of the faid wood, and diftilled waters, are crue water, chey refift aot only Ariffotle himfelf, and other Peripatericks, buc alfo cheir very Senfes. For fup= pofe that Liquor which drops out of burning Wood, or from an Alembick, is not, pure wae cer: yec our Senfes, and che feparaction which is eafily made, do wicnefs chat che preaceft pace thereof is water. And after this reckoning there fhould be no Element of Water inthe whol World ; fince it isno where found pure. . Buc others left they fhould go againft chein own Senfes, do indeed grant chat mixt bodies are cefolved into the Elements, but they foo- lithly hold, that not the fame Elements in number, but only che fame fore of Elements come out of the mixt body ; which is founded upon noreafon, but is only hatched to palliace an abfurd Opinion, yea, and ic is repugnant to Reafon.and Experience. For when chey hold that Elements recurn our of the mixt bedy by reafonof che action ofa like Element, where= by they recover what they loftinthe mixture; how] pray you, in diftillations and burnings can Water and Earth be exccacted out of che Compound ? fince Fire by aéting upon the mixt body introduces nothing thas is watty or earthy, yea, the action of fire is adverfe ca water and earch, fo far is ic from augmenting or perfecting Chefame. The only agent in combuftions is fice :_and the force thereof equally affects al the parts of che mixt body, and yet nevecthelefs it brings out fome hor, others cold, others moift, others dry, ochers bitter, others {weet, others other waies differing : which fince they cannot proceed from one only action of fice; verily wemutt believe they were before in the mixs body, fs
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Arguments brace this Opinion by very ftrong reafons. Foor firft of al, che Nacure of Mixrure thews asfor this
much, fince Cuings that perifh cannot be faid cobe mixed: which Ariftotle himfelf in the Opiien,
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