Aristoteles, Physicorvm Aristotelis, sev, de natvrali auscultatione, libri octo

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              <pb o="49" file="271" n="271" rhead="LIBER 11."/>
            poris eius quod uerſatur aliquid, id inquam quod eſt in me-
              <lb/>
            dio, manere neceſſe eſt. </s>
            <s xml:id="echoid-s9746" xml:space="preserve">Huius autem manere nulla pars, aut
              <lb/>
            omnino, aut in medio poteſt. </s>
            <s xml:id="echoid-s9747" xml:space="preserve">Naturalis enim ipſius motus:
              <lb/>
            </s>
            <s xml:id="echoid-s9748" xml:space="preserve">ad ipſum mediũ eſſet. </s>
            <s xml:id="echoid-s9749" xml:space="preserve">At ipſum ſuapte natura uerſatur: </s>
            <s xml:id="echoid-s9750" xml:space="preserve">mo-
              <lb/>
            tus enim ſempiternus non eſſet, quippe cùm nihil præter na
              <lb/>
            turam ſit ſempiternum. </s>
            <s xml:id="echoid-s9751" xml:space="preserve">Id enim quod eſt præter naturam,
              <lb/>
            posterius eſt eo, quod eſt ſecundũ naturam: </s>
            <s xml:id="echoid-s9752" xml:space="preserve">atq; </s>
            <s xml:id="echoid-s9753" xml:space="preserve">id quod eſt
              <lb/>
            præter naturã, exceſſus quidam eſt in ipſa generatione, eius
              <lb/>
            quod eſt ſecundũ naturam. </s>
            <s xml:id="echoid-s9754" xml:space="preserve">Sit igitur terra, neceſſe eſt: </s>
            <s xml:id="echoid-s9755" xml:space="preserve">hæc
              <lb/>
            enim in medio ſanè quieſcit: </s>
            <s xml:id="echoid-s9756" xml:space="preserve">atq; </s>
            <s xml:id="echoid-s9757" xml:space="preserve">nunc quidẽ hoc ſuppona-
              <lb/>
            tur, posterius autẽ de ipſo dicetur. </s>
            <s xml:id="echoid-s9758" xml:space="preserve">At ſi terrã eſſe neceſſe
              <lb/>
            eſt, ignẽ etiã eſſenceſſe eſt. </s>
            <s xml:id="echoid-s9759" xml:space="preserve">Contrariorũ enim ſi alterum
              <lb/>
            eſt natura, & </s>
            <s xml:id="echoid-s9760" xml:space="preserve">alterũ eſſe natura neceſſe eſt, ſi ſit contrariũ
              <lb/>
            atq; </s>
            <s xml:id="echoid-s9761" xml:space="preserve">aliquã ipſius eſſe naturã. </s>
            <s xml:id="echoid-s9762" xml:space="preserve">Eſt enim eadem cõtrariorũ
              <lb/>
            materies: </s>
            <s xml:id="echoid-s9763" xml:space="preserve">& </s>
            <s xml:id="echoid-s9764" xml:space="preserve">affirmatio priuatione eſt prior, ueluti calidum
              <lb/>
            frigido. </s>
            <s xml:id="echoid-s9765" xml:space="preserve">Quies uerò, ac graue, per leuitatis motusúe priua
              <lb/>
            tionẽ dicuntur. </s>
            <s xml:id="echoid-s9766" xml:space="preserve">Atqui ſi terra eſt, atq; </s>
            <s xml:id="echoid-s9767" xml:space="preserve">ignis, ea quoq; </s>
            <s xml:id="echoid-s9768" xml:space="preserve">cor-
              <lb/>
            pora eſſe, quæ ſunt inter ipſa, neceſſe eſt: </s>
            <s xml:id="echoid-s9769" xml:space="preserve">elementoru enim
              <lb/>
            unumquodq;</s>
            <s xml:id="echoid-s9770" xml:space="preserve">, contrarietatẽ ad quodq; </s>
            <s xml:id="echoid-s9771" xml:space="preserve">nimirum habet: </s>
            <s xml:id="echoid-s9772" xml:space="preserve">atq; </s>
            <s xml:id="echoid-s9773" xml:space="preserve">
              <lb/>
            hoc etiã nunc ſupponatur, posterius autem eſt demonstran
              <lb/>
            dum. </s>
            <s xml:id="echoid-s9774" xml:space="preserve">Hæc cùm ſint, patet neceſſariò generationẽ eſſe, pro-
              <lb/>
            pterea quod nihil ipſorũ perpetuũ eſſe poteſt: </s>
            <s xml:id="echoid-s9775" xml:space="preserve">agunt enim
              <lb/>
            inter ſeſe contraria ipſa, mutuoq́; </s>
            <s xml:id="echoid-s9776" xml:space="preserve">à ſeſe patiuntur, ac corrũ
              <lb/>
            puntur. </s>
            <s xml:id="echoid-s9777" xml:space="preserve">Non eſt præterea conſentaneum rationi, mobile
              <lb/>
            quippiam perpetuũ eſſe, cuius motus ſecundũ naturã per-
              <lb/>
            petuus eſſe nõ poteſt: </s>
            <s xml:id="echoid-s9778" xml:space="preserve">at horum eſt motus. </s>
            <s xml:id="echoid-s9779" xml:space="preserve">Ex his igitur pa-
              <lb/>
            tet neceſſariò generationẽ eſſe. </s>
            <s xml:id="echoid-s9780" xml:space="preserve">Quòd ſi generationem eße
              <lb/>
            neceße eſt, et aliam lationẽ, aut unam, aut plures eße neceſ-
              <lb/>
            ſe eſt: </s>
            <s xml:id="echoid-s9781" xml:space="preserve">nam ut ſeſe habet totius motio cœli, ſic elementa cor-
              <lb/>
            porum inter ſeſe reſpectu generationis habere neceße eſt:</s>
            <s xml:id="echoid-s9782" xml:space="preserve"/>
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