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# Title: Leibniz-Handschriften zur Mathematik LH 35, 1, 14
# Folio 10v, page id 00067976:0020
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Notandum est si quaevias calculo perpendicularem
ex E in GH, sanquam in cognitam vel altiam ejusmodi
alti duplo altruu assarrecturum esse gxena, quam
e
quade
si quorias consitudinem rectae GG vel HF Quippe
quo est eadem pro duobus punctis E. giteni est
si quis rectam Ct continuatam intelligat dum
ipsi GH occurrat in C. Nom et quaeratur ipsa
IL. ubi notandu id et simplicius adhuc quam intGE
quod bic etsi GE sit eadem camen punctum E es
duplex. Hic vero ipsum punctum Lquoque est simplex
inveniri autem calculo suelent punctum L s ex E et C ed
et A et A perpendiculares in rectamu. Et quid em ex B
et A demissa dantur ut e intervalla aG. uti occurpaum
in rectam GH ab ipsa G. Invento denque puncto L res
leducta est ad hoc problema, ex puncto L educere
rectam LDC quae circutum ADE ita secet ut
auod pre blema est lex allorum
est poctulat
intervallum Cd sit datum
numero quae vieta rest assuuit tanquam Geometrio
supplementa, pro solidis. sunt enim solida. Et si quis
per pboblema aliquod propositum per meroeum planorum
interventum aa tale reduperit, iscerto sciet problema
propositum esse cireomibile, ad planum. Et ita habemus
Methodum etiam in Analisi Figurarum, determinandi
quid sit reduabi utrum problena possit redui vel non.