Benedetti, Giovanni Battista de
,
Io. Baptistae Benedicti ... Diversarvm specvlationvm mathematicarum, et physicarum liber : quarum seriem sequens pagina indicabit ; [annotated and critiqued by Guidobaldo Del Monte]
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IO. BAPT. BENED.
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134
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file
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0134
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/163127KK/pageimg/0134
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perficiali, ita diſtans à
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vt in corporea reperitur. </
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fig-0134-01
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number
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181
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file
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0134-01
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/163127KK/figures/0134-01
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ſteà.
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erigetur æqualis lineæ
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& ſuis terminis
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concludetur triangulum
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>.i.q.d.</
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& id quod remanet.
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<
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xml:space
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">Vnde ſi longius diſerendo progrediare, patebit ex
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value
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4.</
num
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primi
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ſuperficialem, futuram æqualem
<
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>.i.d.</
var
>
<
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corporeæ. </
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>
<
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xml:space
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">Idem dico de
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& de reliquis.</
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position
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number
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182
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file
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0134-02
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/163127KK/figures/0134-02
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xml:space
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">SVPERFICIALIS.</
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<
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xml:space
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">CAP. III.</
head
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style
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emph
>
hic, proprius eſt, & vniuerſalis, licet in figura ſuperficiali
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>.A.</
var
>
ſupe-
<
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/>
rius poſita, ſecundum communem antiquorum conſuetudinem exemplum
<
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/>
dederim, effectus enim idem eſt. </
s
>
<
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xml:id
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xml:space
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">Sed ſi quis vellet conſiderare dictam figuram ſu-
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perficialem
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>.A.</
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>
ſecundum eum modum, quem de figura
<
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>.B.</
var
>
ſuperficiali pręſcripſi, id
<
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/>
poterit in ſubſcripta figura
<
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>.C.</
var
>
ſpeculari in hunc modum. </
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>
<
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xml:space
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">Accipiet enim
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>.p.x.</
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>
ſuper
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ficialem, æqualem corporeæ, & quia in ipſa corporea
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>.A.</
var
>
ſuppoſita fuit linea
<
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>.p.l.</
var
>
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ideſt punctum
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>.x.</
var
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inter duas
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var
>
et
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>.a.n.</
var
>
ſecabimus
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>.p.x.</
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>
ſuperficialem in puncto
<
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>.d.</
var
>
ita,
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/>
vt
<
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>.d.x.</
var
>
ſuperficialis, æqualis ſit corporeæ, & ipſi ſuperficiali
<
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>.p.x.</
var
>
addetur
<
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>.x.q.</
var
>
æqualis
<
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/>
corporeæ. </
s
>
<
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xml:id
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xml:space
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">vnde
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>.q.d.</
var
>
ſuperfi-
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/>
cialis æqualis erit corporeę,
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/>
<
figure
xlink:label
="
fig-0134-03
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xlink:href
="
fig-0134-03a
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number
="
183
">
<
image
file
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0134-03
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/163127KK/figures/0134-03
"/>
<
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xml:id
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xml:space
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">SVPERFICIALIS.</
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>
</
figure
>
et
<
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>.p.x.</
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>
ſuperficiali addetur
<
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>.
<
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/>
x.l.</
var
>
æqualis corporeæ. </
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>
<
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xml:space
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">De
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ijs poſtea quæ dicenda ſuper-
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ſunt, iam ſatis ſuperq́ue di-
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ximus.</
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>
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<
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x.</
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>
aut intra, aut extra lineam
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>.
<
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q.d.</
var
>
veniat, hunc modum ſe-
<
lb
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quentes, in errorem non in-
<
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/>
cidemus, imò efficietur qua -
<
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/>
drilaterum
<
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>.q.r.</
var
>
ſuperficiale,
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ſimile, & æquale corporeo.</
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<
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xml:space
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">CAP. IIII.</
head
>
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<
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>
verò
<
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>
(quod verum eſt punctum perſpectiuæ, vt practici dicere ſo
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lent) quid ſit, hac via & ratione ſub noſtram cognitionem cadit: </
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