Theodosius <Bithynius>; Clavius, Christoph, Theodosii Tripolitae Sphaericorum libri tres

Table of contents

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[91.] PROBL. 2. PROPOS. 15.
[92.] SCHOLIVM.
[93.] THEOR. 14. PROPOS. 16.
[94.] SCHOLIVM.
[95.] THEOREMA 15. PROPOS. 17.
[96.] THEOR 16. PROPOS. 18.
[97.] THEOR. 17. PROPOS. 19.
[98.] THEOREMA 18. PROPOS. 20.
[99.] COROLLARIVM.
[100.] THEOREMA 19. PROPOS. 21.
[101.] SCHOLIVM.
[102.] I.
[103.] II.
[104.] III.
[105.] IIII.
[106.] V.
[107.] THEOREMA 20. PROPOS. 22.
[108.] THEOR. 21. PROPOS. 23.
[109.] FINIS LIBRI I I. THEODOSII.
[110.] THEODOSII SPHAERICORVM LIBER TERTIVS.
[111.] THEOREMA 1. PROPOS. 1.
[112.] THEOREMA 2. PROPOS. 2.
[113.] THEOREMA 3. PROPOS. 3.
[114.] THEOREMA 4. PROPOS. 4.
[115.] LEMMA.
[116.] THEOR. 5. PROPOS. 5.
[117.] THEOREMA 6. PROPOS. 6.
[118.] LEMMA.
[119.] THEOR. 7. PROPOS. 7.
[120.] THEOREMA 8. PROPOS. 8.
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THEODOSII
SPHAERICORVM
LIBER TERTIVS.
86[Figure 86]
THEOREMA 1. PROPOS. 1.
SI recta linea circulum in partes inæ-
quales ſecet, ſuper qua conſtituatur re
ctum circuli ſegmentum, quod non
ſit maius ſemicirculo;
diuidatur au-
tem ſegmenti inſiſtentis circunferentia in duas in
æquales partes:
Recta linea ſubtendens earum mi-
norem, minima eſt linearum rectarum ductarum
ab eodem puncto ad minorem partem circunfe-
rentiæ primi circuli:
Rectarum verò ductarum ab
eo ipſo puncto ad circunferentiam interceptam
inter illam minimam rectam, &
diametrum, in
quam cadit perpendicularis deducta ab illo pun-
cto ſemper minimæ propior remotiore minor eſt.
Omnium autem maxima eſt ea, quæ ab illo eodẽ
puncto ducitur ad extremitatem eiuſdem diame-
tri:
Item recta ſubtendens maiorem circunferen-
tiam ſegmenti inſiſtentis, minima eſt earum, quæ
cadunt in circunferentiam interceptam inter ip-
ſam, &
diametrum, ſemperque huic propior

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