Fabri, Honoré, Tractatus physicus de motu locali, 1646

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            <p id="N11B73" type="main">
              <s id="N11B79">
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              aliqua applicatione, ſaltem virtutis, in quo non eſt difficultas; </s>
              <s id="N11B82">quomo­
                <lb/>
              do vero ignis accendatur, & quid ſit ignem accendi, explicabimus ſuo
                <lb/>
              loco; quidquid ſit, certum eſt ad productionem impetus requiri ali­
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              quam applicationem, vt patet etiam in magnete. </s>
            </p>
            <p id="N11B8F" type="main">
              <s id="N11B91">
                <emph type="center"/>
                <emph type="italics"/>
              Axioma XI.
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                <emph.end type="center"/>
              </s>
            </p>
            <p id="N11B9D" type="main">
              <s id="N11B9F">
                <emph type="italics"/>
              Si cauſa vniuoca applicata, & non impedita est ſufficiens ad productionem
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              effectus, non eſt ponenda alia ſcilicet æquiuoca.
                <emph.end type="italics"/>
              </s>
              <s id="N11BA8"> Non dico omnem cauſam
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              eſſe vniuocam, ſed tantùm vniuocam ſufficientem, & applicatam eſſe
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              cauſam, v. g. calor eſt cauſa ſufficiens caloris, vt conſtat in aqua calida; </s>
              <s id="N11BB4">
                <lb/>
              igitur ſi calor eſt applicatus ſubiecto, in quo producitur calor non ſupe­
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              rans vires caloris applicati; </s>
              <s id="N11BBB">dicendum eſt calorem illum ab hoc produ­
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              ci; </s>
              <s id="N11BC1">cum calor ſit cauſa neceſſaria; </s>
              <s id="N11BC5">igitur ſi ſit applicatus ſubjecto apto,
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              neceſſariò agit; </s>
              <s id="N11BCB">igitur quantum poteſt; igitur effectus non eſt tribuen­
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              dus alteri cauſæ, quam ſufficientem eſſe ignoramus. </s>
            </p>
            <p id="N11BD1" type="main">
              <s id="N11BD3">Ad hoc Axioma aliud reuoca.
                <emph type="italics"/>
              Si ex applicatione alicuius ſequitur ſem­
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              per effectus aliquis, illud ipſum cauſa dici debet huius effectus; </s>
              <s id="N11BDC">licet aliud ſit
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              coniunctum, ex quo ſeorſim ſumpto applicato non ſequitur effectus
                <emph.end type="italics"/>
              ; </s>
              <s id="N11BE5">v. g. ex
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              applicatione aquæ calidæ ſequitur productio caloris; </s>
              <s id="N11BEF">ex applicatione ſo­
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              lius aquæ non ſequitur; </s>
              <s id="N11BF5">igitur dicendum eſt calorem hunc produci ab
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              ipſo calore, qui aquæ ineſt, non verò ab ipſa aquæ ſubſtantia; idem dico
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              de ferro frigido, &c. </s>
            </p>
            <p id="N11BFD" type="main">
              <s id="N11BFF">Dices non eſſe certum calorem produci; Reſpondeo, negando; </s>
              <s id="N11C03">ſed,
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              quidquid ſit, loquor tantùm hypotheticè; dixi enim ſi producatur, à
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              calore aquæ inhærente producitur. </s>
            </p>
            <p id="N11C0B" type="main">
              <s id="N11C0D">Dices produci poſſe ab aliqua cauſa ignota poſita dumtaxat tali, vel
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              tali conditione. </s>
              <s id="N11C12">Reſpondeo, hoc reuera geometricè non probari, ſed
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              tantùm phyſicè; </s>
              <s id="N11C18">quidquid ſit, voco cauſam id, ex cuius applicatione
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              ſequitur ſemper effectus, & nunquam aliàs; </s>
              <s id="N11C1E">nam phyſicè loquendo, ſiue
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              ſit alia cauſa, ſiue non, eodem modo ſe habet, ac ſi eſſet cauſa; quippe
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              certum eſt phyſicè ignem calefacere, Solem illuminare, quod ſatis eſt. </s>
            </p>
            <p id="N11C26" type="main">
              <s id="N11C28">
                <emph type="center"/>
                <emph type="italics"/>
              Axioma XII.
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                <emph.end type="center"/>
              </s>
            </p>
            <p id="N11C34" type="main">
              <s id="N11C36">
                <emph type="italics"/>
              Cauſa neceſſaria ſubiecto apto applicata, & non impedita ſemper agit, &
                <lb/>
              quantum poteſt.
                <emph.end type="italics"/>
              </s>
              <s id="N11C3F"> Hoc Axioma duas partes habet; </s>
              <s id="N11C43">prima certa eſt per hy­
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              poth. 8. & per definitionem cauſæ neceſſariæ, quæ in hoc differt à libe­
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              râ: Secunda pars probatur; </s>
              <s id="N11C4B">quia ſi partem effectus omitteret, quam ta­
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              men ponere poſſet; haud dubiè non eſſet cauſa neceſſaria contra hypoth. </s>
              <s id="N11C51">
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              nam ſi vnam partem effectus omittat; cur vnam potiùs quam aliam? </s>
              <s id="N11C56">
                <lb/>
              cur non duas? </s>
              <s id="N11C5A">cur non omnes? </s>
              <s id="N11C5D">denique video cauſam eandem eidem
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              ſubiecto eodem modo applicatam, eundem ſemper effectum producere
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              per Hyp. 8. </s>
            </p>
            <p id="N11C66" type="main">
              <s id="N11C68">
                <emph type="center"/>
                <emph type="italics"/>
              Axioma XIII
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N11C74" type="main">
              <s id="N11C76">
                <emph type="italics"/>
              Extenſio cauſa non intendit effectum ad intra.
                <emph.end type="italics"/>
              </s>
              <s id="N11C7D"> Quælibet pars maioris
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              ignis non habet calorem intenſiorem, quàm quælibet pars minoris; idem </s>
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          </chap>
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