Fabri, Honoré, Tractatus physicus de motu locali, 1646
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              Hypotheſis
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              2.
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            <p id="N15B95" type="main">
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              Arcus maior & minor eiuſdem funependuli æqualibus ferè temporibus,
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              percurruntur
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              ; hæc etiam ſæpiùs probata eſt, & ſi quis fidem detrectat,
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              probare conetur. </s>
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                <emph type="center"/>
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              Hypotheſis
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              3.
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              </s>
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              <s id="N15BB5">Globus per planum inclinatum læuigatum deſcendens ſecundum ſpa­
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              tium citiùs percurrit, quàm primum; quod etiam ſenſu percipi poteſt,
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              & tam ſæpè probatum eſt, vt nemo iam negare audeat motus naturalis
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              accelerationem. </s>
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                <emph type="center"/>
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              Hypotheſis
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              4.
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              </s>
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            <p id="N15BCE" type="main">
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              Omne tempus ſenſibile non eſt; </s>
              <s id="N15BD6">idem dico de ſpatio,
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              quod nemo etiam
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              negare auſit; alioquin ſi quis negaret, dicat mihi quæſo quot ſint in mi­
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              nuto horæ inſtantia? </s>
              <s id="N15BE1">quot in apice acus puncta? </s>
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              Axioma
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              1.
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              Impetus additus alteri, & determinatus ad
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              lineam, facit maiorem
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              & intenſiorem impetum
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              ; patet, & viciſſim, & detractus alteri minorem
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              facit, & viciſſim. </s>
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              <s id="N15C08">
                <emph type="center"/>
                <emph type="italics"/>
              Axioma
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              2.
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            <p id="N15C15" type="main">
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              Quâ proportione creſcit cauſa, eâdem creſcit effectus, & viciſſim, ſi eodem
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              modo eidemque ſubjecto ſit applicata,
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              probatur per Ax.12. l. 1. & quâ pro­
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              portione illa decreſcit, hic decreſcit, & viciſſim. </s>
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                <emph type="center"/>
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              Axioma
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              3.
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              </s>
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              Eadem cauſa neceſſaria non impedita ſubjecto apte applicata æqualibus
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              temporibus æqualem effectum producit, & contrà.
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              </s>
              <s id="N15C3F"> Probatur per Ax.12.l. </s>
              <s id="N15C42">1. &
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              viciſſim æqualis effectus ſupponit æqualem cauſam. </s>
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                <emph type="center"/>
                <emph type="italics"/>
              Axioma
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              4.
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              </s>
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              Ille effectus, qui non producitur à causâ primâ, & ad cuius productionem
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              nulla cauſa extrinſeca eſt applicata, producitur ab intrinſeco
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              ; probatur, quia
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              habere debet aliquam cauſam per Ax.8. </s>
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                <emph type="center"/>
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              Axioma
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              5.
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              Illa cauſa plus agit proportionaliter quæ habet minorem reſistentiam; minùs
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              verò, quæ maiorem, quæ demum æqualem, æquali proportione agit.
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              v.g. cauſa,
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              cuius virtus, vel actiuitas eſt vt 20. & reſiſtentia vt 10. agit in maiori
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              proportione, quàm illa cuius actiuitas eſt 30. & reſiſtentia 20. in minori
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              verò quàm ea, cuius actiuitas eſt vt 3. & reſiſtentia vt 1. in æquali de­
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              nique cum illa, cuius actiuitas eſt vt 4. & reſiſtentia vt 2. </s>
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            <p id="N15C8D" type="main">
              <s id="N15C8F">Hoc Axioma certiſſimum eſt; </s>
              <s id="N15C93">quippe 20. faciliùs ſuperabunt 10. quàm
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              30. 20. & difficiliùs quam 3. 1. & æquè facilè, ac 4. 2. In motu locali
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              res eſt clariſſima; </s>
              <s id="N15C9B">quippe vires vt 12. tam facilè mouebunt 12. libras,
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              quàm vires vt 4. 4.libras; </s>
              <s id="N15CA1">ſed faciliùs, quàm vires vt 20. 30.libras, & dif­
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              ficiliùs quàm vires vt 4. 3. libras; quid clarius? </s>
              <s id="N15CA7">Igitur illa cauſa faciliùs </s>
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