Viviani, Vincenzo, De maximis et minimis, geometrica divinatio : in qvintvm Conicorvm Apollonii Pergaei

Table of contents

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[121.] THEOR. XXVI. PROP. XXXXVIII.
[122.] MONITVM.
[123.] THEOR. XXVII. PROP. XXXXIX.
[124.] THEOR. XXVIII. PROP. L.
[125.] COROLL.
[126.] PROBL. XVII. PROP. LI.
[127.] PROBL. XVIII. PROP. LII.
[128.] ALITER.
[129.] ALITER breuiùs.
[130.] PROBL. XIX. PROP. LIII.
[131.] ALITER.
[132.] ALITER breuiùs.
[133.] PROBL. XX. PROP. LIV.
[134.] ALITER breuiùs.
[135.] PROBL. XXI. PROP. LV.
[136.] PROBL. XXII. PROP. LVI.
[137.] COROLL. I.
[138.] COROLL. II.
[139.] PROBL. XXIII. PROP. LVII.
[140.] COROLL.
[141.] THEOR. XXIX. PROP. LIIX.
[142.] ALITER.
[143.] THEOR. XXX. PROP. LIX.
[144.] THEOR. XXXI. PROP. LX.
[145.] THEOR. XXXII. PROP. LXI.
[146.] THEOR. XXXIII. PROP. LXII.
[147.] SCHOLIVM.
[148.] THEOR. XXXIV. PROP. LXIII.
[149.] THEOR. XXXV. PROP. LXIV.
[150.] PROBL. XXIV. PROP. LXV.
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page |< < (126) of 347 > >|
150126 ABC, erit DB æqualis BF; cumque AH contingat AGC erit DG 1135. pri.
conic
.
GH, ſed eſt DB maior DG ex conſtructione, quare, &
BF erit maior GH, &
GF
maior GH:
quod memento.
22ibidem.
Præterea, in ſecunda figura, cum ſit LB, æqualis MG, & BD maior GD,
ex
conſtructione, habebit LB ad BD minorem rationem, quàm MG ad GD,
&
componendo LD ad DB, ſiue LF ad FB minorem quàm MD ad 3336. pri-
mi
conic.
ſiue quàm MH ad HG, &
iterum componendo LB ad BF, minorem 44ibidem. MG ad GH, ſed eſt LB æqualis MG, quare BF erit maior GH, & magis
GF
maior GH.
117[Figure 117]
Intertia denique, cum ſit LB æqualis MG, & DB maior DG, ex conſtru-
ctione
, habebit LB ad BD minorem rationem, quàm MG ad GD, &
diui-
dendo
LD ad DB ſiue LF ad FB, minorem quàm MD ad DG, vel 5536. pri-
mi
conic.
MH ad HG, &
diuidendo iterum, LB ad BF minorem rationem, quàm MG
66ibidem. ad GH, ſed eſt LB æqualis MG, ergo BF maior erit GH, &
magis GF
maior
GH.
7732. pri-
mi
conic.

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