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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)
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2
DE TAVESTIGATIONE
his lateribus duobus subrendamus; apparebune
duo haec Triangula, nim. BE. A. _ FR C. PTOF-
Tus aequalia, per Prop. 4. ericque tota Divergen-
cia BAC. PartI ECP, corius divergentia exter-
Ax AC.D. aqualis. Adeoque diversentia BAC.
Communis (reciproce) lateris semper erit minor
externâ ACiD. Ouod intendebatur.
Similicer ceinde sE AII- TIT. cum BII.
TIC- TTCI. per Structuram, d angulus AHIB =CIHII.
Per ProP. 15. duets Basi TC. apparebunt duotri
angula partialia AHI B, X C. HI I. prorsus aqua
lia, Per ProP. 4. eritque dirersentia ABC = di-
versentia LIC.T. cui per Propol.rs. vorticaliter
aequatuY pars FCD. externa diversentix ACiD.
adeoque dirersentia AB C. lateris continuati
cemper erit minor enterna AC. D. Ouodinten.
debatur.
Acque sic habetur modus procedendi,
dalrem per exemplum clarum, Veritacis perseru-
tandae, quod pro resuld in multis adhiberi po.
celt. Ciujus ulus gratia Kuclides etiam haspropo.
diciones exhibere roluit, quas alias licco, quod
asune, pede aque pratorire poterat, ac Centor
Kamus, cum Chamictis Cuis, artilicium non pene.
ETAMLIOLIS.
modFormalicer componendo diriden.
aloque deliberare placeac, concipiatur alteru-
crumquecrus BA, C A, cum latere continuato
concidere; mos ex punctis R. et C. ab eodem
latere retu elerata, declinare per omnes gradus:
guoniam
Abet
deet
Deet
CH
ill
CD.
it
et
O
tern
11
II
eltb