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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 235, page id 79876922X:0733
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ectas 1
et a qua
rector
derest
cacest
metrale
que rel
to
SCHII
rctum
ralent
AIF d
rOce
Cibi m
are; l
ectame
IUIM pIo
ded qu
elisilo
DrTIISgu
Credan
rgua
renlui
empel
es Gu
CAt
VERIPATIS SPECIBICA.
clare percipiunt; isitur opus est ararun de-
monstratira. laltem ea, quae nesantem ad abtur.
dum deducit, adeoque negationem, per impossi.
bile, quod inde sequitur, destruit, eo que positio-
nem esse necessariam evincit, ex eo communi
Tcil. principio, quo, cujus contradictorium est
absurdum illud necessario verum esse, per noil
ervocar certum eAt.
Exprimatur itaque recta eransverta-
lis AB. qua cum binis, datis C B. a BD:
duos rectos, alterum hinc, alterum inde ta-
cit, Cnon Formaliter, tamen aequiralenter, per
tirpochesin objectiram. Sinesas rectam BD.
cum C B. in directum esse litam; erit alia qua-
dam rectav. Er. BE, quae cum C B. Faciat unam
continuam rectam CR F. d utrobiqne ABC.
e BF. duobus rectis aequales, per PropOl
13. Atqui duobus rectis aequales etiam sunc CB A.
de AB1. per hypochelin subjectiram: P. pars
erie aequalis toti, vel minus erit aequale majori.
Ouodestablurdum.
Theorema.
Lua ecconterminae, cum quibus re-
cta transvorsalis, hinc inde, Facie ongulos
duobus rectis aquales, in continuum lica
lunc, ee versune ad olasas diamerralirer
opPOACAS.