Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Notes
Handwritten
Figures
Content
Thumbnails
List of thumbnails
<
1 - 10
11 - 20
21 - 30
31 - 40
41 - 50
51 - 60
61 - 70
71 - 80
81 - 90
91 - 100
101 - 110
111 - 120
121 - 130
131 - 140
141 - 150
151 - 160
161 - 170
171 - 180
181 - 190
191 - 200
201 - 210
211 - 220
221 - 230
231 - 240
241 - 250
251 - 260
261 - 270
271 - 280
281 - 290
291 - 300
301 - 310
311 - 320
321 - 330
331 - 340
341 - 350
351 - 360
361 - 370
371 - 380
381 - 390
391 - 400
401 - 410
411 - 420
421 - 430
431 - 440
441 - 450
451 - 460
461 - 470
471 - 480
481 - 490
491 - 500
501 - 510
511 - 520
521 - 530
531 - 540
541 - 550
551 - 560
561 - 568
>
111
(390)
112
(391)
113
(392)
114
(393)
115
(394)
116
(395)
117
(396)
118
(397)
119
(398)
120
<
1 - 10
11 - 20
21 - 30
31 - 40
41 - 50
51 - 60
61 - 70
71 - 80
81 - 90
91 - 100
101 - 110
111 - 120
121 - 130
131 - 140
141 - 150
151 - 160
161 - 170
171 - 180
181 - 190
191 - 200
201 - 210
211 - 220
221 - 230
231 - 240
241 - 250
251 - 260
261 - 270
271 - 280
281 - 290
291 - 300
301 - 310
311 - 320
321 - 330
331 - 340
341 - 350
351 - 360
361 - 370
371 - 380
381 - 390
391 - 400
401 - 410
411 - 420
421 - 430
431 - 440
441 - 450
451 - 460
461 - 470
471 - 480
481 - 490
491 - 500
501 - 510
511 - 520
521 - 530
531 - 540
541 - 550
551 - 560
561 - 568
>
page
|<
<
(392)
of 568
>
>|
<
echo
version
="
1.0RC
">
<
text
xml:lang
="
la
"
type
="
free
">
<
div
xml:id
="
echoid-div112
"
type
="
section
"
level
="
1
"
n
="
49
">
<
p
>
<
s
xml:id
="
echoid-s2120
"
xml:space
="
preserve
">
<
pb
o
="
392
"
file
="
0106
"
n
="
113
"
rhead
="
CHRISTIANI HUGENII
"/>
us ducenda eſt: </
s
>
<
s
xml:id
="
echoid-s2121
"
xml:space
="
preserve
">A D vero ſic, ut ſubtenſa C D æqualis ſit
<
lb
/>
abſciſſæ E F. </
s
>
<
s
xml:id
="
echoid-s2122
"
xml:space
="
preserve
">Etenim his poſitis dico cubum A E ejus qui
<
lb
/>
ex A B duplum exiſtere.</
s
>
<
s
xml:id
="
echoid-s2123
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s2124
"
xml:space
="
preserve
">Producatur enim C A, & </
s
>
<
s
xml:id
="
echoid-s2125
"
xml:space
="
preserve
">ſit ipſi A E æqualis A G.
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s2126
"
xml:space
="
preserve
">Propter triangulos ſimiles igitur eſt E C ad C D, hoc eſt,
<
lb
/>
E F ut E A ad A F, hoc eſt, ut G A ad A B. </
s
>
<
s
xml:id
="
echoid-s2127
"
xml:space
="
preserve
">Et com-
<
lb
/>
ponendo C F ad F E ut G B ad B A ſive A F. </
s
>
<
s
xml:id
="
echoid-s2128
"
xml:space
="
preserve
">Et permu-
<
lb
/>
tando C F ad G B ut E F ad F A. </
s
>
<
s
xml:id
="
echoid-s2129
"
xml:space
="
preserve
">Quare ut C F qua-
<
lb
/>
dratum ad quadr. </
s
>
<
s
xml:id
="
echoid-s2130
"
xml:space
="
preserve
">G B, ita quadr. </
s
>
<
s
xml:id
="
echoid-s2131
"
xml:space
="
preserve
">E F ad quadr. </
s
>
<
s
xml:id
="
echoid-s2132
"
xml:space
="
preserve
">F A. </
s
>
<
s
xml:id
="
echoid-s2133
"
xml:space
="
preserve
">
<
lb
/>
Et componendo ut quadr. </
s
>
<
s
xml:id
="
echoid-s2134
"
xml:space
="
preserve
">C F & </
s
>
<
s
xml:id
="
echoid-s2135
"
xml:space
="
preserve
">G B ad quadr. </
s
>
<
s
xml:id
="
echoid-s2136
"
xml:space
="
preserve
">G B, ita
<
lb
/>
quadr. </
s
>
<
s
xml:id
="
echoid-s2137
"
xml:space
="
preserve
">E F & </
s
>
<
s
xml:id
="
echoid-s2138
"
xml:space
="
preserve
">F A ſimul, hoc eſt, quadr. </
s
>
<
s
xml:id
="
echoid-s2139
"
xml:space
="
preserve
">E A ad quadr. </
s
>
<
s
xml:id
="
echoid-s2140
"
xml:space
="
preserve
">
<
lb
/>
A F. </
s
>
<
s
xml:id
="
echoid-s2141
"
xml:space
="
preserve
">Quadr. </
s
>
<
s
xml:id
="
echoid-s2142
"
xml:space
="
preserve
">autem C F & </
s
>
<
s
xml:id
="
echoid-s2143
"
xml:space
="
preserve
">G B ſimul æquantur rectangu-
<
lb
/>
lo G C A cum quadr. </
s
>
<
s
xml:id
="
echoid-s2144
"
xml:space
="
preserve
">A G, quod ſic oſtenditur. </
s
>
<
s
xml:id
="
echoid-s2145
"
xml:space
="
preserve
">Quadra-
<
lb
/>
tum enim G B æquale eſt rectangulo C G A & </
s
>
<
s
xml:id
="
echoid-s2146
"
xml:space
="
preserve
">quadrato
<
lb
/>
A B ſeu A F . </
s
>
<
s
xml:id
="
echoid-s2147
"
xml:space
="
preserve
">Quare addito utrimque quadrato F
<
note
symbol
="
*
"
position
="
left
"
xlink:label
="
note-0106-01
"
xlink:href
="
note-0106-01a
"
xml:space
="
preserve
">6.2. Elem.</
note
>
erunt quadrata G B, F C ſimul æqualia rectangulo C G A
<
lb
/>
& </
s
>
<
s
xml:id
="
echoid-s2148
"
xml:space
="
preserve
">quadrato A C. </
s
>
<
s
xml:id
="
echoid-s2149
"
xml:space
="
preserve
">Rectangulum autem C G A cum quadra-
<
lb
/>
to A C æquatur rectangulo G C A cum quadrato G A. </
s
>
<
s
xml:id
="
echoid-s2150
"
xml:space
="
preserve
">Ita-
<
lb
/>
que & </
s
>
<
s
xml:id
="
echoid-s2151
"
xml:space
="
preserve
">quadrata C F, G B ſimul æqualia ſunt rectangulo
<
lb
/>
G C A cum quadrato A G, ſicut diximus. </
s
>
<
s
xml:id
="
echoid-s2152
"
xml:space
="
preserve
">Sicut igitur re-
<
lb
/>
ctangulum G C A cum quadrato A G ad quadr. </
s
>
<
s
xml:id
="
echoid-s2153
"
xml:space
="
preserve
">G B, ita
<
lb
/>
eſt quadr. </
s
>
<
s
xml:id
="
echoid-s2154
"
xml:space
="
preserve
">E A ad quadr. </
s
>
<
s
xml:id
="
echoid-s2155
"
xml:space
="
preserve
">A F, hoc eſt, ita quadratum
<
lb
/>
G A ad quadr. </
s
>
<
s
xml:id
="
echoid-s2156
"
xml:space
="
preserve
">A B. </
s
>
<
s
xml:id
="
echoid-s2157
"
xml:space
="
preserve
">Et permutando, ut rectangulum
<
lb
/>
G C A cum quadrato G A ad quadratum G A ita quadr.
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s2158
"
xml:space
="
preserve
">G B ad quadr. </
s
>
<
s
xml:id
="
echoid-s2159
"
xml:space
="
preserve
">A B. </
s
>
<
s
xml:id
="
echoid-s2160
"
xml:space
="
preserve
">Dividendo igitur, erit ut rectang. </
s
>
<
s
xml:id
="
echoid-s2161
"
xml:space
="
preserve
">
<
lb
/>
G C A ad quadr. </
s
>
<
s
xml:id
="
echoid-s2162
"
xml:space
="
preserve
">G A, ita quadr. </
s
>
<
s
xml:id
="
echoid-s2163
"
xml:space
="
preserve
">G B dempto quadrato
<
lb
/>
A B, hoc eſt, rectangulum C G A ad quadr. </
s
>
<
s
xml:id
="
echoid-s2164
"
xml:space
="
preserve
">A B. </
s
>
<
s
xml:id
="
echoid-s2165
"
xml:space
="
preserve
">Et per-
<
lb
/>
mutando rurſus, ut rectang. </
s
>
<
s
xml:id
="
echoid-s2166
"
xml:space
="
preserve
">G C A ad rectang. </
s
>
<
s
xml:id
="
echoid-s2167
"
xml:space
="
preserve
">C G A,
<
lb
/>
hoc eſt, ut C A ad A G ita quadratum G A ad quadr. </
s
>
<
s
xml:id
="
echoid-s2168
"
xml:space
="
preserve
">
<
lb
/>
A B. </
s
>
<
s
xml:id
="
echoid-s2169
"
xml:space
="
preserve
">Quamobrem quod fit ex quadrato G A in ipſam
<
lb
/>
G A, hoc eſt, cubus G A æquabitur ei quod fit ex quadra-
<
lb
/>
to A B in A C, hoc eſt, duplo cubo ex A B. </
s
>
<
s
xml:id
="
echoid-s2170
"
xml:space
="
preserve
">Quod erat
<
lb
/>
demonſtrandum.</
s
>
<
s
xml:id
="
echoid-s2171
"
xml:space
="
preserve
"/>
</
p
>
</
div
>
</
text
>
</
echo
>