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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COROLL.
HInc, data ratione maioris inæqualitatis, hoc eſt D E, ad E H, &
differentia A C inter duo s terminos ignotos A G, G C, qui de-
beant eſſe in data ratione, eruitur quomodo reperiantur ipſi termini A G,
G C.
Facta enim fuit vt D H differentia primorum, ad H E minorem ter-
minum, ita data differentia A C, ad aliam C G, &
reperti ſunt quæſiti
termini A G, G C, Nam ſtatim oſtenſum fuit eſſe A G ad G C, vt D E
ad E H.
THEOR. XII. PROP. XVII.
Si fuerit in angulo rectilineo quælibet applicata, à qua hinc
inde ab eius termino æqualia ſegmenta ſint abſciſſa, &
per v-
num diuiſionis punctum deſcribatur Hyperbole, cuius aſympto-
ti ſint latera dati anguli, ipſa per alterum punctum neceſſariò
tranſibit.
SIt in angulo A B C applicata quæcunque A C, quæ inæqualiter ſece-
tur in D, &
ſumatur C E æqualis A D. Dico ſi per punctum D de-
ſcribatur Hyperbole, cuius aſymptoti ſint B A, B C, ipſam omnino tran-
ſire per E.
Quod huiuſmodi Hyper-
162[Figure 162] bole tranſiens per D, alibi
ſecet applicatam A C, pa-
tet.
Nam ſi eam continge-
ret in D, eſſet A C æquali-
ter ſecta in D:
quod 113. ſecun-
di conic.
contra hypoteſim.
Secet er-
go in F;
& erit F C 228. ibid. lis A D, ſed eſt quoque E
C eidem A D ęqualis, qua-
re F C, E C ęquales erunt;
hoc eſt punctum F congruet
cum ipſo E;
quare Hyper-
bole D F, quæ in angulo aſymptotali A B C deſcribitur per D, omnino
tranſit per E.
Quod erat demonſtrandum.

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