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# Title: Leibniz-Handschriften zur Mathematik LH 35, 8, 30
# Folio 24r, page id 00068124:0047
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Robervallrus mini dixit errores aliquot a se in Geometria artesus deprenensos.
exempli causa lb
pay. 2b. edit.
se
lolemi.
1659.
1
haec sunt veta: unde
si in hac aequatione qua utitas  nulla sit, aut minor quum nitas possquam punctum C. suppo–
suimus in angulo DAG oporleret et. Itur supponere cn angulo
etiam RAG mutando
 (1
AC ans EAR aut
signa + et = nont ad essectum hunc relsi, requireretur: quod  vero
n qualuor hiscepositiornbus valor ipbius  nullus reperiretur, mdicio esset quaestidnem leastu
proposoto esse impossibilem
De
his nis Robervellius problema
nunquam
esse impossabile
non magis quam ex puncto dato perpendicularem ducere a recam datem.
quo casu
urtesius non inoemendo in ad  simculis hom insilo impossibile putat ex
pasu esse in omnibus angalis. Et veri videtur scrtesius si vel saltem schotemus hanc
vervallius
C
e
ane
Rovervallis obiictionem rescioisse. Nam Schotenus cum netis literis
3. C. M. adjecisset
3B inter B e
radice vera quot
Nanc in secundus credo editione interpolatam redidit notatu
reinde = falsi esse ait regulam Cartesiz quod tot sine
falsae, si signormm hoc cntaves quor consentives ete
ee