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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364325Conicor. Lib. VII. tionem, quàm C M in M A quater ſumptum vna cum quadrato C A,
nempe
quàm quadratum C m ad quadratum A C;
ideoque M H in H
A
ad quadrarum H A minorem proportionem habet quàm quadratum.
C m ad quadratum A C. Et permutando M H in H A ad quadratum.
C
m, ſeu ad quadratum ex ſumma ipſarum G M;
& M H, ad quod
habet
eandem proportionem quàm quadratum C A ad quadratum ſum-
P Q, &
P R (17. ex 7.) habebit minorem proportionem, quàm
quadratum
A H ad quadratum A C, ſeu quàm quadratum A C ad qua-
dratum
ſummæ ipſarum A C, &
A F; igitur ſumma ipſarum A C, &
A
F minor eſt quàm ſumma ipſarum P Q, &
P R. Et quia M H maior
eſt
quarta parte ſummæ ipſarum M G, &
M H; ergo quadruplum C m
in
M H maius eſt quadrato C m, &
ponatur V u æqualis A V; igitur
quadruplũ
V M in C m ad quadruplum M H in C m, ſcilicet V M ad
M
H minorem proportionem habebit, quàm quadruplum V M in C m
ad
quadratum C m:
& componendo V H ad H M, nempe V H in H
A
ad M H in H A minorem proportionem habebit, quàm V M in C m
quater
ſumptum, vel u m in m C bis ſumptum cum quadrato C m (eo
quod
u m dupla eſt ipſius V M quæ omnia ſimul ad idem quadratum C
m
minorem proportionem habet, quàm quadratum C u.
Ergo V H in
H
A ad quadratum C u, ſcilicet quadratum A C ad quadratum ſummæ
ipſarum
S T, &
S Z (17. ex 7. ) minorem proportionem habet quàm
M
H in H A ad quadratum C m, ſeu qnàm quadratum A C ad quadra-
tum
ſummæ ipſarum P Q, P R (17.
ex 7.) quapropter P Q, & P R ſi-
mul
ſumptæ minores ſunt, quàm S T, &
S Z ſimul ſumptæ.

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