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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 231, page id 79876922X:0729
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i Ise
TUI,
15 tim
Ualib
detini
ques
SOpp
NEUITB
C. Bila.
ad iI.
nterse
etiiB.
Aplul
VERILATIS SPECIPTCK.
mirum aequalis ipsi CP; redderentur anguli la-
ceribus aequalibus oppositi, adeoque hypoten
sis oppoliti inter se aequales, per Prop. 8. Q COn-
sequenter angulus FCB. Foret aequalis ansulo
FCA. Quodpraesumebatur. Acqui verumque
sructura certa Ratuere licet, per Polt. 3. iolam-
que Propol. 2. ec 3. F. Certus est etiam ipse
Process. Suntl.
Desiderium Prop.
0
Super datam Rectam Lineam AB. infini-
tam, a dato puncto C. quod in ea non
est, perpendiculum C6. ducere. Fig. 67.
AnalylIS.
Supponatur Factum, Ctque C9. perpendi-
cularis ad EB, H. C. angulus CGB. st aequalis an-
uloC01. Cium attinia non lonse recedtant à le
mutuo; probabile videtur topica persuasione,
calum hunc per prioris calus, hujus vicini, ratio
nes cautales huc applicatas decidiposse. Ie-
que tamen hic juvat ex puncto 0. partes aequales
GF, GF. probalibus criangulorum auxiliarium
in data recta primo Factas prxesumere, cum pun-
etum G. Factori sit in quaectione: COntrA verO
quia punctum c. datur; ab eodem ad rectam
AB. duas rectas aequales hinc inde ductas tan-
quam hypotenulas Friangulorum auxiliarium
definire licebit, Circulo rectam AB. lecante per
Pottul.
t0C.
Edbt.
o Ce
ectos
Co
IEIIM
ollet
ruI
ECM
lato.
PaM.
1. 1
3