Jordanus de Nemore, [Liber de ratione ponderis], 1565

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                <s id="id.2.41.02.04">
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                nent aliquatenus cedant persequutae eo, quod impelli soluatur, quoniam me
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                dium semper fit grauius. </s>
                <s id="id.2.41.02.05">hoc etiam si inuentus termino substineatur, fit et
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                si in altero, ut in a, quoniam si impellatur in b, quoniam grauius, fiet b, non
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                equetur c, circunuolutionem b, et rumpetur continuitas. </s>
                <s id="id.2.41.02.06">alioquin plus
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                transiret c, quám b, quam si leuius esset minima soliditas in c, a.
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                </s>
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                <s id="id.2.42.00.01">Quaestio quadragesimaprima.
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          <chap>
            <subchap1>
              <p>
                <s id="id.2.42.01.01">Quum medium detinetur facilius extrema curuantur.
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                  <figure id="id.049.01.033.1.jpg" xlink:href="049/01/033/1.jpg" number="54"/>
                Sit ipsum a, b, c ,d, e, medium c, quod quum
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                detineatur, extrema impellantur, quòniam
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                motum eorum in partem, qua impelluntur
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                non potest sequi, oportet curuari, quoniam dire
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                ctam habet solui nisi connexio soliditatis im­
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                pediat. </s>
                <s id="id.2.42.02.02">quae quidem minus perfecit in a, quám
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                in b, et c, quám d, impulsa enim a, et e, quo­
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                niam medij connexione detineri habent scilicet b,
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                et d, quum ipsa habilia sint ad sequendum,
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                quum in se non detineantur, minus impedietur
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                a, et e, continuitate ad c, sicque fit, ut quum ex­
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                trema facilius cedant, in quo illis uiciuiora fa­
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                cilius sequantur, contingat totum curuari in cir
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                culum. </s>
                <s id="id.2.42.02.03">quanto igitur longius a, c, e, tanto le­
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                uius extrema curuantur in eadem ratione, qua
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                et remotiora á centro librae ponderosiora sunt,
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                quoniam maiores arcus describunt eandem quoque: et in omnem partem
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                magis sequentur impellentem, si non pondus ipsum impediat. </s>
                <s id="id.2.42.02.04">Notum etiam
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                quód super hoc quidem manente c, non magis impedit pondus a, quám pon
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                dus b, impellentem b, quoque ad ipsum pondus.
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                </s>
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            <subchap1>
              <p>
                <s id="id.2.43.00.01">Quaestio quadragesimasecunda.
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                </s>
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              <p>
                <s id="id.2.43.01.01">Magis impulsum plus cohaeret.
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                </s>
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              <p>
                <s id="id.2.43.02.01">Haec impulsio sit a posterioribus, quae impulsa habent anteriora per
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                pellere. quae quoniam pondere suo aliquatenus resistunt, habent
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                media constringi. </s>
                <s id="id.2.43.02.02">Vnde quando in latus declinantur, hinc etiam con
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                tingit, quód inferiora superioribus infixa, uel depulsis infiguntur.</s>
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          </chap>
        </body>
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