Apollonius <Pergaeus>, Apollonii Pergaei Conicorvm Lib. V. VI. VII. paraphraste Abalphato Asphahanensi : nunc primum editi ; additvs in calce Archimedis assvmptorvm liber, ex codibvs arabicis mss Abrahamus Ecchellensis Maronita latinos reddidit, Jo. Alfonsvs Borellvs curam in geometricis versione contulit & [et] notas vberiores in vniuersum opus adiecit

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384345Conicor. Lib. VII. duplum H M in C M minus duobus quadratis ex M H, & ex G M: &
propterea
A M in M C bis ſumptum ad H M in M C bis ſumptum, nẽ-
pe
A M ad M H habebit maiorem proportionem, quam duplum A M
in
M C ad duo quadrata ex H M, &
ex G M: & componendo A H ad
H
M, ſeu quadratum A H ad A H in H M maiorem proportionem ha-
bebit
quàm duplum A M in M C cum duobus quadratis ex H M, &
ex
M
G (quæ omnia ſimul æqualia ſunt duobus quadratis C G, &
H C)
ad
duo quadrata M H, &
M G; igitur quadratum A H ad A H in H M
maiorem
proportionem habet, quàm duo quadrata C G, &
C H ad duo
quadrata
H M, &
G M, & permutando quadratum A H ad duo qua-
drata
C G, &
H C, ſcilicet quadratum A C ad quadratum diametri
figuræ
eius maiorem proportionem habet, quàm A H in H M ad duo
quadrata
M G, &
M H, ſeu quàm quadratum A C ad quadratum dia-
metri
figuræ P Q (19.
ex 7.) quapropter diameter figuræ P Q maior
eſt
diametro figuræ A C.
Ducatur poſtea diameter S T, & ad eam or-
dinatim
applicata A X, &
ad axim
perpendicularem
X V.
Et ſiqui-
dem
G M minor eſt, quàm V H
454[Figure 454] cum A G, &
C H ſint æquales,
erunt
duo quadrata H M, &
M G
maiora
duobus quadratis H V, V
G
:
hæc autem maiora ſunt quàm
duplum
V H in V d:
ergo duplũ
M
V in V d ad duplum H V in V
d
, nempe V M ad V H maiorem
proportionem
habet, quàm duplũ
M
V in V d ad duo quadrata ex
V
H, &
ex V G: & componendo
M
H ad H V, ſeu M H in H A
ad
V H in H A maiorem propor-
tionem
habebit, quàm duplum M
V
in V d cum duobus quadratis ex
V
H, &
ex V G, quæ omnia ſi-
mul
ſunt vt duo quadrata M H, &

M
G ad duo quadrata V H, &
V
G
:
& permutando M H in H A
ad
duo quadrata H M, &
G M,
ſeu
vt quadratum A C ad quadra-
tum
diametri figuræ P Q (19.
ex
7
.)
maiorem proportionem habebit, quàm V H in H A ad duo quadrata
V
H, &
V G, ſeu quàm quadratum A C ad quadratum diametri figuræ
S
T (19.
ex 7.) quare diameter figuræ S T maior eſt diametro figuræ
P
Q.
Poſtea quia y O eſt media proportionalis inter A C, & A F erit
quadratum
A C ad quadratum y O, vt A C ad A F, nempe vt C G ad
C
H, ſeu vt C G in C H ad quadratum C H, &
quadratum y O ad ſum-
mam
quadratorum y O, &
O f, nempe ad quadratum diametri ſuæ figuræ
eſt
vt quadratum H C ad quadratum C G cum quadrato H C:
quare

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