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

Table of contents

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[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.
[121.] LEMMA. I.
[122.] LEMMA. I I.
[123.] THEOREMA 9. PROPOS. 9.
[124.] SCHOLIVM.
[125.] I.
[126.] II.
[127.] III.
[128.] THEOREMA 10. PROPOS. 10.
[129.] COROLLARIVM.
[130.] THEOR. 11. PROPOS. 11.
[131.] LEMMA.
[132.] SCHOLIVM.
[133.] COROLLARIVM.
[134.] THEOREMA 12. PROPOS 12.
[135.] SCHOLIVM.
[136.] THEOR. 13. PROPOS. 13.
[137.] SCHOLIVM.
[138.] THEOREMA 14. PROPOS. 14.
[139.] FINIS LIBRI III. THEODOSII. AD LECTOREM.
[140.] CHRISTOPHORI CLAVII BAMBERGENSIS E SOCIETATE IESV SINVS, VEL SEMISSES RECTARVM IN CIRCVLO SVBTENSARVM: LINEAE TANGENTES: ATQVE SECANTES.
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7765
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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