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# Title: [Idea Totius Encyclopaediae Mathematico-Philosoph. hoc est, Analysis Aristotelico-Euclidea] Erhardi Weigelii, Prof. Publ. Idea Totius Encyclopædiæ Mathematico-Philosoph. hoc est, Analysis Aristotelico-Euclidea (shelfmark Leibn. Marg. 106)
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Nlembr. 1. Cap. 3.
De Mlerhodo Parricnlari.
tanquam alceri parei Triansuli, deinceps est; de unam cxiam
partem alceriuseorius (nimirum duorum deinceps sitorum)
ad punctum b. constieuit: alcera autem partes uerinsqueton
eius (ansulus ab c) plane coincidant; omnes partes hujus, on
mnibus pal Busillius, alceras alteris, perfectissime esse x
Cellus ssitur est sylosilmus ccrrius. Redimus ad se
Mlinor SylPogisini secundi peobatur.
6. BRV, Mmnc Trianculum oujus duorum internorum angulo- Eilius.
rum unus uniparei, alier alteri residua, anculi externi
es opposici est aeqnalis, eCt id quou babet duos angulos in-
ternos simul extorno es opposiro (qui religuo rrium in
ternorum est deinceps,) aqnales.
Irqui omne Trianculum planum rectilincum eAt Triu
anculum cujus duorum internorum unus uni parti, al-
rer alteri residuae, anguli externi es oppositi est agnalis.
Frod. Omne Trianculum planum rectilincum eA id
quod habet duos anculos internos simul, externo e5 oppo-
sico (qui reliquo rrium internorum est deinceps) a
gnales.
Mlajor probacur per Tubsumprionem sub axiomate Mc-
eaphylico per se cerrissimo.
S.BAP Cujuscunque rotins duarum parcium quarumeunque una Ancbisa
uni parti, alcera alteri residuae parti, alterius rorins est
aequalis; illud torum habet duas parres simul, alteri toti
aegualeso
Sedomne Trianculum, cujus duorum internorum an-
eulorumnnus uni paroi, alior alteri residuae anculi ex-
rerni es opposiri est aequalis, est illu denjus rorius duarum
parrium guarumcunque unanni parei, alvera alteri res
duae parri alterins torins est aequalis.
RH. Erso. Ne vero jam hic raedium capit prolixicatum.
Minor CyIlosilmi sexri Drobatur:
P. BAF Duodeunque Frianculum (S. quaeeunque feura) habet la- Sans es
tM
9ua LES.
eundum.
BA
RA.
a