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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355316Apollonij Pergæi Simili modo oſtendetur quod I K minor ſit, quam P R: etenim ſi pona-
tur linea f æqualis ſummæ M G, G E:
cum G E non ſit maior duplo E
H, &
f maior ſit duplo G E; igitur f in E H maius eſt quadrato G E.
Poſtea oſtendetur (quemadmodum antea dictum eſt) quod M H ad H
E, nempe M H in H A ad E H in H A minorem proportionem habet
420[Figure 420] quàm quadratum M G ad quadratum G E;
& permutando M H in H A
ad quadratum M G, ſeu quadratum A C ad quadratum P R(15.
ex 7.)
minorem proportionem habebit, quàm E H in H A ad quadratum G E,
nempe quàm quadratum A C ad quadratum I K:
& propterea A C ad
P R minorem proportionem habebit, quàm ad I K;
ideoquè I K minor
eſt, quàm P R:
& pariter P R minor, quàm S Z.
PROPOSITIO XXXV. &
XXXVI.
S It poſtea A C minor dimidio A F; erit A G maior duplo A H, &
ideo H G maior eſt, quàm H A:
ponatur iam H M æqualis H G,
ducaturque ad axim perpendicularis N M ;
iungaturque N C, & educa-
tur diameter P Q parallela N C.
Et quia M H medietas eſt ipſius M G,
erit P Q dimidium ipſius P R (6.
ex 7.) Inter duas diametros P Q, A C
ducatur diameter I I.
, & C B ei parallela, & ad axim perpendicularis
B E.
Quoniam M H in H E minus eſt quadrato H G; addito

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