# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00068194:0429 # Permalink to this reading: https://leibnizlegible.com/page/00068194:0429?run=74 # Title: Leibniz-Handschriften zur Mathematik LH 35, 12, 1 # Folio 215r, page id 00068194:0429 # Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 214v); this page is its right half. # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068194&page=429 # Source image: https://digitale-sammlungen.gwlb.de/content/00068194/jpgs/default/00000429.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 79 lines, status machine # Lines: 79 recognised, mean confidence 0.81 # 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. ABq BC aqu g pet X - 5 + bs + et aequ. 0 2at + a x - yt aequ. 0. fiat X aequ. 1Z + b. et y aaqui B tC adeoque + rax aqu. 2a 1Z rua + a X aqu. 4 x + 24 1 b. y aqu +2a 12b + b R.. 13 I4CV. 44e cometria tota constitui potest, sine ulla mentione magnitudinum seu figurarum similitudine Be situ rationum atque proporti ma soto cangulotum adhibilis tantum angulis et rectarum unte linearum intersectionibus seu adhibito tantum situ e motu. Quando autem magnitudo aut ratio problema inredietur, poterimus in problema ad alios reducere termines ut non ingrediantur. leris A ret colculo inventa facilius construantur, utile erit condi theoremata quaedam apta, ex ut in circulo utilisimum est theorema, quod do rectangula segnentorum in eo sempero aequalia sunt ita lenui si detur ratio incognati redae incognitae ad incognitam equalis rationi quantitatis cognitae ad cogrutam. Eodem modo excogitanda theoremata ubi cubi rationi rectangulio ad rectangulum aequetur ratior ratio rectae ad rectam, haec ex. P. Gregorio S. Viacentio polerunt duci. Nunc obiter istud colligemus: annotabimus sit circulus AB AEBC, circa diametrum AB. patet esse ADB caequ. CdE, seu Ae aqu. _eDC. CBD Hinc modo ipsarum AD, BD summa cetur locus erit ad circulum datum et sit Bla 1 X + 2y + 3 (1) 7X + 87 + 9 H Cd cus AB u lot3 aequ DEp. 4 X + 5.y + 6 - 1 X~-2y + 10 , AD Sint tres aecuationes: X sit runtus aequatio X + 5y . aqu. 0. +8 ita ut sit 9+ aequ. CE. Dabebimus moblena solutum. 298.9 sint aequationes 19 e0 19 X 4 20 y + 21 rqu. 0. (+ comparando 2. 3 et 31X + 21 + 14XY +15X + 26 Y + 2Y aqu. 0. sit 4) qd 19-7 aequationem t analogiam 1. redueendo ad aquationem fet. 4, 7 X + 4, 8 Xy _ A +152 xy 468y h P X + 12 Xy +ey +4,9 X vo +519 V 2tau 1 -y +6,7 X +6, 86 y +6, 9 +13 X +23, Y =81, 10X 12, 10 y 3, 10 22 fier. per X aqu. (19, - 7 + 22 (equa 20-8 6 rq t9 per etfiet aqu 20, 8 - 9 + 23 per 19 fier 2, 1, ae qu 13 3, 8i7. 13 3 i 4 exautt.9 q sit. + ngX +I,2OXY = 1 21X 41 19.. +oy +1,I . 4 13, 19X, + 13, 20V 4 13, 2) per _. fit: 119, (+ 1 + 19, 7 (=7) - 22 aequo ponams P Agu. 5. et fer: 114Z dju 22 (Erx nab, ee uqu. 2 per s. fit: 1, 20 (+ 2) + 20, 8(= 8) = 23 aequ.o ponamus 2 aquo et fiet 12 1 liqu. per 3X fiti : 12. 19, + 11, 20 (+ 2, 1. 2. + 20,7 (-8, 7 4. 19,. 8(7, 8) - 24 aegulo per 2 -2 20 o +se alis pe u dll o rus . res 19 1 + F19 +v per ultimot temimos sit aec _3, + 310 + 2.9 + 27 gd 3 + aequ. 19-7 6 aequ - 21 - 9 19X + 20y + 21 IX 1 12 y 13 His Missis vie reg per elegantur S aequ 20 - 8 absolu seqventi na XVIISZ posto XAV () a. Kjo. AB.