# Leibniz Legible — https://leibnizlegible.com
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# Title: Synopsis Geometrica (shelfmarks Leibn. Marg. 7,1; ZEN Leibn. Marg. 7,1)
# Folio 438, page id 797939695:0458
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=797939695&page=458
# Source image: https://digitale-sammlungen.gwlb.de/content/797939695/jpgs/default/00000458.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 51 lines, status machine
# Lines: 51 recognised, mean confidence 0.71
# 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.

438
Opusculum
circumleripeorum, re latus quadrati 12
2d9.
39.
SiHE ParabOlA AF TP, aKIS FG, duce
re a puncto A, 2d lemiparabolam FO P:
lincam rectam, qua faciae criangulum
omnium polsibilium maximum, v. g. As
M ABH. AFC; hoc problema paulo dif-
eilius ridetur. Fic rectangulum A Y; (IEF
Oaequalis . iFR Fy, ducantur JN.
RM, A7; AO, AR; crune Y C. aequalis Y
F; O6, dupl2 OF; ZO,cripla ZF; quod (c
Ostendo,rE AP ad P pita AC, ad CY; et
VE AC ad AP, ico GY ad Py, vel CF; ergO
vE AP est dupla AC, ita C F dupla C Y;
exansIE aurem A7 per O, itaVE(SBIC
IIinam VEFZ ad FL, ita 1) ad B: led
y cA Tubdupla F Y; crgo o Tub-
dupla F Y; cego  d eAt F C:
iam vero ve FO adt C 2, id eA, 3. dd 2. ita
Bad FOigieur ( FO eAt 3. ac proinde
Ey, vel F6,6. exit FO (ubdupla OC, vel
ubdupla FC; denique (I duCaEUE AR, Cc-
cat OF in Z; estque ZC tripla ZF; igieur
ZF, SO, aequaleS, naM VERF ad L A, ita R
P ad FL; id es - 2d = FC; id cAt 14. 2 d 3.
SicergoFy, VelFG,2 CxICFR 4. FZ 3. du-
cantur B9, C, S, Ve autem habCARTUELE.
etangula
Figura
26.
Isd
1
18
I
(B
p
B
1
Moli
U 3
punt
nti
Ud.
104
UI
d
i
I