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

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            <s xml:id="echoid-s8188" xml:space="preserve">
              <pb o="8" file="230" n="230" rhead="ARIST. DE COELO."/>
            et quid id quod graue nuncupamus oportet, quoad ſatis eſt
              <lb/>
            ad uſum præſentẽ: </s>
            <s xml:id="echoid-s8189" xml:space="preserve">exactius autẽ rurſus dicemus cũ ſubstan
              <lb/>
            tiam ipſorũ cõſiderandã aggrediemur. </s>
            <s xml:id="echoid-s8190" xml:space="preserve">Graue igitur id ſit,
              <lb/>
            quod aptũ eſt ad mediũ ferri. </s>
            <s xml:id="echoid-s8191" xml:space="preserve">Leue id, quod aptũ eſt è medio
              <lb/>
            ferri. </s>
            <s xml:id="echoid-s8192" xml:space="preserve">Grauißimũ id, quod ſub his omnibus collocatur, quæ
              <lb/>
            deorſum feruntur. </s>
            <s xml:id="echoid-s8193" xml:space="preserve">Leuißimum id, quod ſuper omnia collo-
              <lb/>
            catur, quæ ſurſum pergunt. </s>
            <s xml:id="echoid-s8194" xml:space="preserve">Omne autẽ quod fertur ſurſum,
              <lb/>
            aut deorſum, aut leuitatẽ, aut grauitatẽ habeat, aut utrũq;</s>
            <s xml:id="echoid-s8195" xml:space="preserve">,
              <lb/>
            at nõ ad idem, neceſſe eſt, Ad alia nanque grauia, leuiaq́;</s>
            <s xml:id="echoid-s8196" xml:space="preserve">: ut
              <lb/>
            aër ad aquã, & </s>
            <s xml:id="echoid-s8197" xml:space="preserve">aqua ad terrã. </s>
            <s xml:id="echoid-s8198" xml:space="preserve">Corpus igitur id, quod uerſa
              <lb/>
            tur, impoßibile eſt grauitatẽ, aut leuitatẽ habere: </s>
            <s xml:id="echoid-s8199" xml:space="preserve">fieri enim
              <lb/>
            non poteſt, ut ipſum, aut ſecundũ naturã, aut præter natu-
              <lb/>
            ram ad medium, aut è medio moueatur: </s>
            <s xml:id="echoid-s8200" xml:space="preserve">latio enim recta non
              <lb/>
            cõpetit ipſi natura: </s>
            <s xml:id="echoid-s8201" xml:space="preserve">nam uniuſcuiuſque corporis ſimplicis
              <lb/>
            una eſſe latio dicebatur. </s>
            <s xml:id="echoid-s8202" xml:space="preserve">Quare erit idem quod ignis, aut
              <lb/>
            cæterorum quippiam corporum, quærecto motu cientur:
              <lb/>
            </s>
            <s xml:id="echoid-s8203" xml:space="preserve">quod ſi præter naturã feratur, ſi ealatio, qua deorſum itur,
              <lb/>
            ſit præter naturam, ea ſanè qua ſurſum pergitur, ipſi cõpe-
              <lb/>
            tit ſecundũ naturam: </s>
            <s xml:id="echoid-s8204" xml:space="preserve">ſi præter naturã ſit ista, ſecundum na-
              <lb/>
            turam illa cõpetet ſanè: </s>
            <s xml:id="echoid-s8205" xml:space="preserve">poſuimus enim ſi contrariorũmo-
              <lb/>
            tuum alter eſt cuipiam præter naturã, alterum eidem cõpe-
              <lb/>
            tere ſecundum naturã. </s>
            <s xml:id="echoid-s8206" xml:space="preserve">Cùm autem ad idem totum & </s>
            <s xml:id="echoid-s8207" xml:space="preserve">pars
              <lb/>
            ſecundũ naturam feratur, ueluti tota terra, paruaq́; </s>
            <s xml:id="echoid-s8208" xml:space="preserve">gleba: </s>
            <s xml:id="echoid-s8209" xml:space="preserve">
              <lb/>
            primò quidem fit, ut neq; </s>
            <s xml:id="echoid-s8210" xml:space="preserve">grauitatem, neque leuitatẽ habeat
              <lb/>
            ullam: </s>
            <s xml:id="echoid-s8211" xml:space="preserve">nam aut ad medium, aut è medio ſanè ferri ſuapte na-
              <lb/>
            tura poſſet. </s>
            <s xml:id="echoid-s8212" xml:space="preserve">Deinde fieri nequit, ut ipſum moueatur motu
              <lb/>
            ad locum accõmodato, aut ſurſum, aut deorſum ſubiens de-
              <lb/>
            tractionem: </s>
            <s xml:id="echoid-s8213" xml:space="preserve">neq; </s>
            <s xml:id="echoid-s8214" xml:space="preserve">enim ſecundum naturã, neq; </s>
            <s xml:id="echoid-s8215" xml:space="preserve">præter natu-
              <lb/>
            ram alio motu moueri poteſt aut ipſum, aut pars ulla: </s>
            <s xml:id="echoid-s8216" xml:space="preserve">eadẽ
              <lb/>
            enim eſt ratio de toto, & </s>
            <s xml:id="echoid-s8217" xml:space="preserve">parte. </s>
            <s xml:id="echoid-s8218" xml:space="preserve">Simili modo rationi </s>
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