Biancani, Giuseppe
,
Aristotelis loca mathematica
,
1615
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194
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<
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<
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QVÆSTIO XXVIIII.
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<
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s.003258
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De onere phalanga gestato.
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italics
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<
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s.003259
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268</
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<
s
id
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s.003261
">Cvr quando ſuper ligno, aut huiuſmodi quopiam duo portauerint
<
lb
/>
homines æquale pondus, non ſimiliter grauantur, niſi quando pon
<
lb
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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
<
lb
/>
clion eſt vbi pondus geſtatum ſuſpenditur; geſtantium autem oneri proxi
<
lb
/>
mior gerit vicem illius, quod vecte mouetur, remotior verò eſt potentia
<
lb
/>
vecte mouens. </
s
>
<
s
id
="
s.003263
">quanto igitur plus diſtat ab hypomoclio, ſeu geſtato ponde
<
lb
/>
re, tanto facilius mouet, hoc eſt, alterum magis deorſum premit, contra
<
lb
/>
nitente nimirum geſtato onere
<
expan
abbr
="
tãquam
">tanquam</
expan
>
hypomoclio. </
s
>
<
s
id
="
s.003264
">ſi autem in medio fue
<
lb
/>
rit pondus, nihilo magis alter geſtantium fit id, quod vecte mouetur, quàm
<
lb
/>
alter;
<
expan
abbr
="
neq;
">neque</
expan
>
magis mouet: ſed eodem modo alter alteri fit pondus.</
s
>
</
p
>
<
p
type
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main
">
<
s
id
="
s.003265
">Cæterum ſciendum huiuſmodi lignum, quo tranſuerſo onera
<
expan
abbr
="
deportãtur
">deportantur</
expan
>
<
lb
/>
dici à latinis phalangam, vnde etiam verbum phalangare deducitur, quod
<
lb
/>
huiuſmodi geſtationem ſignificat;
<
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abbr
="
eſtq́
">eſtque</
expan
>
; Vitruuio vſitatum, & Afranio, qui
<
lb
/>
ait, capream vnam ſemilaceram quaterni ſimul phalangabant.</
s
>
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>
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type
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">
<
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id
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<
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type
="
italics
"/>
QVÆSTIO XXX.
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type
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italics
"/>
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type
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<
s
id
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s.003267
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<
emph
type
="
italics
"/>
De ſurgente à ſeßione.
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type
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"/>
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id
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269</
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type
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<
s
id
="
s.003270
">Cvm ſedemus, præcipuè ſi commodè ſedeamus, ſolemus duos angu
<
lb
/>
los rectos facere, vnum quidem, quem facit thorax cum femore;
<
lb
/>
alterum quem facit femur cum crure, vt in figura thorax ſit A B,
<
lb
/>
<
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id
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id.009.01.194.1.jpg
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femur B C, crus C D, anguli duo recti ſunt B,
<
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& C. </
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<
s
id
="
s.003271
">Quærit igitur, cur quando ſurgere volumus angu
<
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los hoſce rectos in acutos commutamus, nam crus re
<
lb
/>
trahimus ſub femur ad acutum angulum, v. g. ad poſitio
<
lb
/>
nem C F.
<
expan
abbr
="
fitq́
">fitque</
expan
>
; acutus angulus B C F. ſimiliter thoracem
<
lb
/>
femori aptamus ad acutum angulum E B C, alioquin ſur
<
lb
/>
gere non valemus? </
s
>
<
s
id
="
s.003272
">An quia id, quod æquale eſt, quietis
<
lb
/>
<
expan
abbr
="
vbiq;
">vbique</
expan
>
eſt cauſa, rectus autem angulus eſt angulus æquali
<
lb
/>
tatis,
<
expan
abbr
="
atq;
">atque</
expan
>
ſtationis? </
s
>
<
s
id
="
s.003273
">
<
expan
abbr
="
quæcunq;
">quæcunque</
expan
>
enim angulis rectis con
<
lb
/>
ſtant, vt quadratum, vt cubus, quieti, ac ſtationi ſunt
<
lb
/>
idonea, vt propterea Pytagorei dicerent terram eſſe cubicam, propter ip
<
lb
/>
ſius immobilitatem. </
s
>
<
s
id
="
s.003274
">eſt autem angulus rectus, angulus æqualitatis, quia
<
lb
/>
omnes anguli recti ſunt inuicem æquales, vel quia linea illa, quæ angulum
<
lb
/>
rectum facit eſt perpendicularis alteri lineæ, cui incumbit,
<
expan
abbr
="
æqualiterq́
">æqualiterque</
expan
>
; in
<
lb
/>
<
expan
abbr
="
vtramq;
">vtramque</
expan
>
partem inclinata eſt: quapropter fit, vt quæcunque conſtituta ſint
<
lb
/>
ſuper ſuperficiem terræ ad angulos rectos non cadant, ſed recta maneant.
<
lb
/>
</
s
>
<
s
id
="
s.003275
">pariter
<
expan
abbr
="
quæcunq;
">quæcunque</
expan
>
ad angulos rectos pauimento incumbunt, non ſolum, quia
<
lb
/>
cum illo faciant angulos rectos, ſed etiam, quia ſimul faciunt cum ſuperficie </
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>
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