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# Title: Leibniz-Handschriften zur Mathematik LH 35, 1, 12
# Folio 15v, page id 00067971:0030
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Ecce et aliam notionem. si spatium fit
lansum, (sive superficiei sive solidi) sit clausum
non potest recta elaudi in solido omnis linea
in parte ambitus ducta, ubi ad partis illius
terminum pervenit, continuari potest in alia
ambitus parte; alioqui ambitus non eut plenas
integer terminatio hiabit. Ex. gr. Esto
pypamis ABCD in parte ambitus, nempe
triangulo ABC ducatur linea AE. Quod
si jam hiaret ambitus, seu ab esset basis
A BCd, non posset continuar linea AE
in alia ambitus parte, sed hic sisteretur
sed posito spatius. lapdi ope qua ri trian-
cotina ab
in ambitu
guli BCd potent E continuari extra
pyramitem uerb: qr ad ex per lineam EF
operae pretum foret ostendere, quomodo
una harum notionum ex alia nascatur
si
Ad conciliandas notiones ostendendum esset
ex puncto a plami ACd, quod sit G ducatur ad H
punctum plani ABC, recta G, et in ea
sumatur punctum K, id punctum K c
cadere intra spatium clausum, rectanique
ex eod eo eductam si producatur
necessario incidere in aliquod ambitus
punctam velut L