# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/00068636:0038
# Permalink to this reading: https://leibnizlegible.com/page/00068636:0038?run=74
# Title: Leibniz-Handschriften zur Philosophie LH 4, 6, 12f (shelfmark LH 4, 6, 12b)
# Folio 19v, page id 00068636:0038
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068636&page=38
# Source image: https://digitale-sammlungen.gwlb.de/content/00068636/jpgs/default/00000038.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 50 lines, status machine
# Lines: 50 recognised, mean confidence 0.93
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

me aliqua demonstrare posse nihil
assumendo insi concessa It
quis opinioneu aliquam defendit
quam  ego ostendere volo absurdam
aessumas propositiones ab aliqu illo
concessas et in legitima forma inde con
alicuius
cludam contradictorium e quod ipse
assermit. Unde sequitur falsitatem alicui
ex qua
ex propositionibus ab eo issumtis adesse,
id est eas non posse eas veras simur
Unde patet etiam non poje ne
quenquam
demonstrare abscuditatem nisi in
ejus propositionis quae plura, afferit sive
conedit assertiones sive concessiones
dum scilicet ex concessis
in volvit
argumentatiis absurdum concludo. Unde
s
devera omnis demonstratio est ad absurdum
deductio Uade omnis demonstratio nullis
t
indiget assumtis sive principus aquia
nec proinde directis, sed tantum reflexis
Et ita cessat illa difficultas quae
omnes torquet, de modo quo ipsorum
principiorum certi sumus, ex quibus demon
strationes ducuntur. Dicendum enim
est demonstrationes ex nullis assertionibus
sed ex concessionibus sive hypothesibuis
agere
procedere neque aliud efficere,
quam ut ostendat Hypotheses quasdam
tantum ergo
inter se pugnare.
assumo solum principium refleva
vel formaliap
seu indirectn quod
seren
formac
syllogistica sit bona, secundo quod
cont radictio sit absurda,  principra vero
materiai eu materiae demonstrationis non
alia ad hibeo, quam illas ipsas hypotheses
quibu falsitatem inesse ostendo.
undet quoda nnodi omnis denconstratio
ad versarii
st ad hominem