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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[121.] Notæ in Propoſ. LXXVI.
[122.] Notæ in Propoſit. LXXVII.
[123.] COROLLARIVM.
[124.] SECTIO DECIMAQVINTA Continens Propoſ. XXXXI. XXXXII. XXXXIII. Apollonij. PROPOSITIO XXXXI.
[125.] PROPOSITO XXXXII.
[126.] PROPOSITIO XXXXIII.
[127.] Notæ in Propoſ. XXXXI.
[128.] Notæ in Propoſ. XXXXII.
[129.] Notæ in Propoſit. XXXXIII.
[130.] SECTIO DECIMASEXTA Continens XVI. XVII. XVIII. Propoſ. Apollonij.
[131.] Notæ in Propoſit. XVI. XVII. XVIII.
[132.] SECTIO DECIMASEPTIMA Continens XIX. XX. XXI. XXII. XXIII. XXIV. & XXV. Propoſ. Apollonij. PROPOSITIO XIX.
[133.] PROPOSITIO XX. XXI. & XXII.
[134.] PROPOSITIO XXIII. & XXIV.
[135.] PROPOSITIO XXV.
[136.] Notæ in Propoſit. XIX.
[137.] Notæ in Propoſit. XX. XXI. XXII.
[138.] Notæ in Propoſ. XXIII. XXIV.
[139.] Notæ in Propoſ. XXXV.
[140.] SECTIO DECIMAOCTAVA Continens XXXII. XXXIII. XXXIV. XXXV. XXXVI. XXXVII. XXXVIII. XXXIX. XXXX. XXXXVII. XXXXVIII. Propoſit. Apollonij. PROPOSITIO XXXII.
[141.] PROPOSITIO XXXIII. XXXIV.
[142.] PROPOSITIO XXXV.
[143.] PROPOSITIO XXXVI.
[144.] PROPOSITIO XXXVII. XLVI.
[145.] PROPOSITIO XXXVIII.
[146.] PR OPOSITIO XXXIX.
[147.] PROPOSITIO XXXX.
[148.] PROPOSITIO XXXXVII.
[149.] PROPOSITIO XXXXVIII.
[150.] Notæ in Propoſit. XXXII.
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page |< < (115) of 458 > >|
153115Conicor. Lib. V. ſimilia; pariterque duo triangula E F C, T b F ſimilia erunt; & propterea S a
ad a F eandem æqualitatis proportionem habebit, quàm I C habebat ad C F, ſi-
militer T b ad b F eandem proportionem habebit, quàm E C ad C F, ſeu quàm
latus tranſuerſum D C ad eius latus rectum:
eſtvero T b æqualis S a, ſeu a F;
ergo F a ad F b eandem proportionem habet, quàm latus tranſuerſum D C ad
eius latus rectum;
& comparando antecedentes ad differentias terminorum. ,
11Lem. 1.
huius.
erit F a, ſeu b T ad b a, vt latus tranſuerſum D C ad differentiam eiuſdem
tranſuerſi, &
recti lateris; quare parallelogrammũ rectangulum S b, erit exem-
22Defin. 9.
huius.
plar applicatum ad abſciſſam O C.
141[Figure 141]
Igitur I C maior eſt, quàm I H, & I H, quàm I K, & c. Eo quod abſciſ-
33d ſa O C minor eſt, quàm C P, &
C P minor, quàm C E: ſuntque prædictæ ab-
ſciſſæ latera homologa exemplarium, quæ ad eaſdem abſciſſas applicantur;
at-
44Defin. 9.
huius.
que prædicta exemplaria ſimilia ſunt inter ſe, cum circa angulos rectos latera
habeant eandem proportionem, quàm latus tranſuerſum D C ad differentiam.
eiuſdem tranſuerſi, & recti lateris; quare exceſſus quadrati I C ſupra quadra-
tum I H minus eſt exceſſu eiuſdem quadrati I C ſupra quadratum I K;
& ad
huc minus exceſſu quadrati I C ſupra quadratum I B, &
propterea recta I C
minori exceſſu ipſam I H ſuperabit, quàm ipſam I K;
& adhuc minori exceſ-
ſu ſuperabit I K, quàm excedat I B;
& ideo I C maior erit, quàm I H, & I
H maior, quàm I K, &
I K maior, quàm I B.
142[Figure 142]

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