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

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            <s xml:id="echoid-s11909" xml:space="preserve">
              <pb o="111" file="333" n="333" rhead="LIBER IIII."/>
            per deorſum aptum eſt ferri: </s>
            <s xml:id="echoid-s11910" xml:space="preserve">ſunt enim aliqua talia, & </s>
            <s xml:id="echoid-s11911" xml:space="preserve">non
              <lb/>
            omnia pondus habent, ut quidam putant. </s>
            <s xml:id="echoid-s11912" xml:space="preserve">Nam & </s>
            <s xml:id="echoid-s11913" xml:space="preserve">alijs qui-
              <lb/>
            buſdam graue eſſe uidetur, ſemperq́; </s>
            <s xml:id="echoid-s11914" xml:space="preserve">ad medium ferri. </s>
            <s xml:id="echoid-s11915" xml:space="preserve">Eſt
              <lb/>
            autem & </s>
            <s xml:id="echoid-s11916" xml:space="preserve">leue ſimili modo: </s>
            <s xml:id="echoid-s11917" xml:space="preserve">uidemus enim, uti dictum eſt
              <lb/>
            prius, terrea ipſa ſub omnibus eſſe collocata, atq; </s>
            <s xml:id="echoid-s11918" xml:space="preserve">ad mediũ
              <lb/>
            ferri. </s>
            <s xml:id="echoid-s11919" xml:space="preserve">At uerò, medium ipſum eſt definitum. </s>
            <s xml:id="echoid-s11920" xml:space="preserve">Si igitur eſt
              <lb/>
            quip piam, quod ſuper omnia eminet, ut ignis in ipſo aëre
              <lb/>
            ſurſum ferri uidetur aëre quieſcente, patet hunc ad ipſum
              <lb/>
            extremũ ferri: </s>
            <s xml:id="echoid-s11921" xml:space="preserve">quare nihil ipſe ponderis habere poteſt, ſub
              <lb/>
            alio enim collocaretur. </s>
            <s xml:id="echoid-s11922" xml:space="preserve">At ſi hoc eſſet, aliquid aliud eſſet
              <lb/>
            pro fectò, quod ad ipſum extremũ moueretur, quodq́; </s>
            <s xml:id="echoid-s11923" xml:space="preserve">ſuper
              <lb/>
            omnia, quæ feruntur, collocaretur. </s>
            <s xml:id="echoid-s11924" xml:space="preserve">Nunc autem, nihil eſſe
              <lb/>
            uidetur. </s>
            <s xml:id="echoid-s11925" xml:space="preserve">Ignis igitur nullum pondus habet, neq; </s>
            <s xml:id="echoid-s11926" xml:space="preserve">etiam ter-
              <lb/>
            ra leuitatem ullam habet: </s>
            <s xml:id="echoid-s11927" xml:space="preserve">ſiquidem ſubſidet uniuerſis, idq́;
              <lb/>
            </s>
            <s xml:id="echoid-s11928" xml:space="preserve">quod ſubſidet ad ipſum medium fertur. </s>
            <s xml:id="echoid-s11929" xml:space="preserve">At uerò medium
              <lb/>
            eſſe ad quod latio fit eorũ, quæ pondus habent, & </s>
            <s xml:id="echoid-s11930" xml:space="preserve">ex quo
              <lb/>
            leuia ſurſum feruntur, ex multis patet. </s>
            <s xml:id="echoid-s11931" xml:space="preserve">Primò quidem ex eo
              <lb/>
            quia nihil ferri in infinitũ poteſt: </s>
            <s xml:id="echoid-s11932" xml:space="preserve">ut enim nihil eſt impoßi-
              <lb/>
            bile, ſic neq; </s>
            <s xml:id="echoid-s11933" xml:space="preserve">fit impoßibile. </s>
            <s xml:id="echoid-s11934" xml:space="preserve">Latio uerò è quopiam in quip
              <lb/>
            piam, generatio eſt. </s>
            <s xml:id="echoid-s11935" xml:space="preserve">Deinde ignis quidẽ ſurſum, terra ue-
              <lb/>
            rò, & </s>
            <s xml:id="echoid-s11936" xml:space="preserve">quic quid pondus habet, deorſum, ſimiles ad angulos
              <lb/>
            fertur. </s>
            <s xml:id="echoid-s11937" xml:space="preserve">Quare ad medium feratur, neceſſe eſt. </s>
            <s xml:id="echoid-s11938" xml:space="preserve">Vtrum au-
              <lb/>
            tem ad terræ medium, an uniuerſi feratur, cùm idem mediũ
              <lb/>
            ſit ipſorum, alia ratio eſt. </s>
            <s xml:id="echoid-s11939" xml:space="preserve">Cùm autem id quod omnibus
              <lb/>
            ſubstat ad medium ipſum feratur, id quod ſuper omnia na-
              <lb/>
            tat, ad ultimum capedinis, in qua fit motus, feratur neceſſe
              <lb/>
            eſt: </s>
            <s xml:id="echoid-s11940" xml:space="preserve">ſunt enim contraria, medium & </s>
            <s xml:id="echoid-s11941" xml:space="preserve">extremum: </s>
            <s xml:id="echoid-s11942" xml:space="preserve">& </s>
            <s xml:id="echoid-s11943" xml:space="preserve">ſubsta-
              <lb/>
            re, atq; </s>
            <s xml:id="echoid-s11944" xml:space="preserve">natare. </s>
            <s xml:id="echoid-s11945" xml:space="preserve">Quapropter & </s>
            <s xml:id="echoid-s11946" xml:space="preserve">cum ratione duo ſunt, gra-
              <lb/>
            ue & </s>
            <s xml:id="echoid-s11947" xml:space="preserve">leue: </s>
            <s xml:id="echoid-s11948" xml:space="preserve">& </s>
            <s xml:id="echoid-s11949" xml:space="preserve">loca enim ſunt duo, medium ipſum, atq; </s>
            <s xml:id="echoid-s11950" xml:space="preserve">ex-
              <lb/>
            tremum. </s>
            <s xml:id="echoid-s11951" xml:space="preserve">Eſt igitur quid & </s>
            <s xml:id="echoid-s11952" xml:space="preserve">id quod eſt inter hæc, quod </s>
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