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# Title: Erhardi Weigelii Sacrae Caesar. Maiest. ut & Com. Pal. Sultzb. Consiliarii, Supr. Artium Archit. Directoris Saxo Ien. Mathemat. PP. totius Academiae Senioris, Philosophia Mathematica (shelfmarks Leibn. Marg. 65; ZEN Leibn. Marg. 65)
# Folio 139, page id 79876922X:0629
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dP
olum
Iuttra
esCM
dque
 rieo
no
repetis
quod
Trin
Simus
nsen
DtICIS,
reler
Man.
atrm
LRACTLIUM CONTIOURATONu.
139
tctessao. FC ita porro, h 4. termini sine conti-
nue proportionales, quartus tor tottoc vicibus
reteret primum, quoceum secundus: ter prote.
rendonomen vicium. Diciturque Ratio illa du
plicata, haec criplicata, ex Ita POFIO.
2
Diccamen II.
Ouerationes, tertia rationi aequales; in
ter se sunt aquales.
Vulso dicuntur exdem.
Dictamen TII.
Duae feurae rectilinca, qua tertia sunt simi-
les; CS inter se sunt similes.
Productum l.
aralleloeramma, quorum eadem
CA altitudo, ita le habent ratio
ne arcarum inter le, ut balesra
Z
na
tione lonsitudinis spectata.
Demonstratio.
DicO BCi X CiA. CD XC A :: BC. C.D
Nam BC. XC.A.
a
=
CDXCiA.
BCi
nu
per erod. 20. Pamto
CiD.
Condictamen I.
Trianeuta, quorum eadem est altitudo, ita
D0
Entet
IBnA.
t aH.
et Ad
duabe
M a
6ol
seret
53,1
15pr0.