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# Title: Leibniz-Handschriften zur Mathematik LH 35, 7, 19
# Folio 2r, page id 00068212:0003
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9
Interio
utenue pre ductae. 
 VAB
ad hibentur infimne una a positione data, seu semper
eodem situ manens altera BPtransiens per punctum datum 
sed convengens manenteque puncto B, varians situm. Et pi
et primum quidem convergens ipsi rectae A ejqus concurrens
ut BC7
s
in puncto C, deinde si angulus file inclinationis, con-
concurrens eidem
finue minuatur in puncto aliquo remotione (C) donet
per P
non convergit
 ex BD per(B)P perveniatur in BP, ubi recta 
simpossibiamaginar cumqfit punctu
amplius ipsi A, sed ei est parallela, dH
His positis, licebit una aliqua ratiocinatione complecti
tum
tum casus omnes intermedios ut (B) quam ultimum B.
Et hinc etiam fit ut una ratiocinatione complectarum
veluti.
Ellipses  et parabolam, si scilicet consideretur
frcens alterum alli ocum A esse focum unum Ellipseos,
(cujus vertex i datus sattum qui maneat fixus, alter  quemadmodum et
beu
alterum focum C esse mutabilem dum transitur de
Ellipsi in Ellissin, donec tandem (in casu quo recta
Bpintersectione cum recta VA focum fi variabilem
faciens ipse focus C fiat  evanescat, seu fiat
impossibilis, quo casu Ellipsis in parabolam evanescit
is
lae abela Et ita licet ex nostro
postulato Elli parabolam una ratiocinatione cum
Hac methodo etiam Geometrae
Ellipsibus complecti.
in constructionibus uti solent, cum scilicet diversos
casus una constructione, complectuntur, et ductum
generali
 notando in certo casu conversentem rectam
Taliam
abire in parallelam angulo rectae ad rectam evanescente
Ex hoc autem postulato oriuntur quaedam locutiones
quae videntur aliquid continere absurdi, do
commoditatis gratia adhibitae, quae videntur aliquio
continere absurditassed su signisi qua significatione substituta
cessente. Nempe  si dicatur punc de puncto icur
em
Concursus imaginario tanquam de equodam reali loquamur
a uti  in Algebra recepta radices imaginariae adhibentur
Eaclo dicere ssolemuls e Pa Et hinc analogiam
rectae VA
servando dicimus Rectam Dcum in parallelam desinit
habere focum esse convergentem,  ad ipsam, e sive cum
infinite parvum
insigite,
nit vellociratom
ea angulum facere
perinde ac si diceretur corpus quiescens, motum habere, sed
corpuso
infinite parvam et rectamum alteri aequalte esse inaequa
on elle, sed disfereatia infinte peria, et tor att