Biancani, Giuseppe, Aristotelis loca mathematica, 1615

Table of figures

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              QVÆSTIO XXVIIII.
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              <s id="s.003258">
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              De onere phalanga gestato.
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              268</s>
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              <s id="s.003261">Cvr quando ſuper ligno, aut huiuſmodi quopiam duo portauerint
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              homines æquale pondus, non ſimiliter grauantur, niſi quando pon­
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              dus in medio eorum fuerit; ſed magis ille premitur, cui onus vici­
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              nius fuerit? </s>
              <s id="s.003262">An quia lignum illud vectis efficitur, cuius hypomo­
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              clion eſt vbi pondus geſtatum ſuſpenditur; geſtantium autem oneri proxi­
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              mior gerit vicem illius, quod vecte mouetur, remotior verò eſt potentia
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              vecte mouens. </s>
              <s id="s.003263">quanto igitur plus diſtat ab hypomoclio, ſeu geſtato ponde­
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              re, tanto facilius mouet, hoc eſt, alterum magis deorſum premit, contra­
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              nitente nimirum geſtato onere
                <expan abbr="tãquam">tanquam</expan>
              hypomoclio. </s>
              <s id="s.003264">ſi autem in medio fue­
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              rit pondus, nihilo magis alter geſtantium fit id, quod vecte mouetur, quàm
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              alter;
                <expan abbr="neq;">neque</expan>
              magis mouet: ſed eodem modo alter alteri fit pondus.</s>
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              <s id="s.003265">Cæterum ſciendum huiuſmodi lignum, quo tranſuerſo onera
                <expan abbr="deportãtur">deportantur</expan>
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              dici à latinis phalangam, vnde etiam verbum phalangare deducitur, quod
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              huiuſmodi geſtationem ſignificat;
                <expan abbr="eſtq́">eſtque</expan>
              ; Vitruuio vſitatum, & Afranio, qui
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              ait, capream vnam ſemilaceram quaterni ſimul phalangabant.</s>
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            <p type="head">
              <s id="s.003266">
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              QVÆSTIO XXX.
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            <p type="head">
              <s id="s.003267">
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              De ſurgente à ſeßione.
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              <s id="s.003269">
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              269</s>
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              <s id="s.003270">Cvm ſedemus, præcipuè ſi commodè ſedeamus, ſolemus duos angu­
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              los rectos facere, vnum quidem, quem facit thorax cum femore;
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              alterum quem facit femur cum crure, vt in figura thorax ſit A B,
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                <figure id="id.009.01.194.1.jpg" place="text" xlink:href="009/01/194/1.jpg" number="118"/>
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              femur B C, crus C D, anguli duo recti ſunt B,
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              & C. </s>
              <s id="s.003271">Quærit igitur, cur quando ſurgere volumus angu­
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              los hoſce rectos in acutos commutamus, nam crus re­
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              trahimus ſub femur ad acutum angulum, v. g. ad poſitio­
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              nem C F.
                <expan abbr="fitq́">fitque</expan>
              ; acutus angulus B C F. ſimiliter thoracem
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              femori aptamus ad acutum angulum E B C, alioquin ſur­
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              gere non valemus? </s>
              <s id="s.003272">An quia id, quod æquale eſt, quietis
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                <expan abbr="vbiq;">vbique</expan>
              eſt cauſa, rectus autem angulus eſt angulus æquali­
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              tatis,
                <expan abbr="atq;">atque</expan>
              ſtationis? </s>
              <s id="s.003273">
                <expan abbr="quæcunq;">quæcunque</expan>
              enim angulis rectis con­
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              ſtant, vt quadratum, vt cubus, quieti, ac ſtationi ſunt
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              idonea, vt propterea Pytagorei dicerent terram eſſe cubicam, propter ip­
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              ſius immobilitatem. </s>
              <s id="s.003274">eſt autem angulus rectus, angulus æqualitatis, quia
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              omnes anguli recti ſunt inuicem æquales, vel quia linea illa, quæ angulum
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              rectum facit eſt perpendicularis alteri lineæ, cui incumbit,
                <expan abbr="æqualiterq́">æqualiterque</expan>
              ; in
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                <expan abbr="vtramq;">vtramque</expan>
              partem inclinata eſt: quapropter fit, vt quæcunque conſtituta ſint
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              ſuper ſuperficiem terræ ad angulos rectos non cadant, ſed recta maneant.
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              <s id="s.003275">pariter
                <expan abbr="quæcunq;">quæcunque</expan>
              ad angulos rectos pauimento incumbunt, non ſolum, quia
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              cum illo faciant angulos rectos, ſed etiam, quia ſimul faciunt cum ſuperficie </s>
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