# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00067993:0463 # Permalink to this reading: https://leibnizlegible.com/page/00067993:0463?run=44 # Title: Leibniz-Handschriften zur Mathematik LH 35, 2, 1 # Folio 231r, page id 00067993:0463 # Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 232v); this page is its right half. # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00067993&page=463 # Source image: https://digitale-sammlungen.gwlb.de/content/00067993/jpgs/default/00000463.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 44, 2026-08-27T14:25:39Z — 81 lines, status machine # Lines: 81 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. 11. 29 prop. 30 la similia: AEH et AD C. Ergo Ad = DC = AC= AC rop. 28. AE AK KE seu sinam complementi AD AK = AE DC. seu secanscomplementi in dlistantiam a basi per centrum transeunte, aquatur, radio in tangentem complemendias seu cylinder tangentium complemonti (quadrabilis de quo infra) aequatur, momento secantium complementi exuasi o momentum quadrabile est. aode prop. +. Et adde pro p. 27 coroll trigonometriae uassigna bituumo qua ADCHE = AE B. sinus in secantem complementi, aequatur quadrato radii, seu radius est media proportionalis inten inter sinum arcus dati, et secantem arcus complementi. Quare ductus circularis in figuram secantium f invertus cosequatur prismati, cujus basis quadratum radis altitudo, distantial a vertice quadrantis rgo qui t d. prop. 41. DC KE = AKAE. sinus in tangentem complementi aequatur radio in distantiam a basi quadrantis, quare ductus portionis abscissum trianguli a basi, ergo ductus iste est quadrabilis. ia AD AE = AHDC. radius in secantem complementi, aequatur secanti in tangentem complementi, atque ideo cylinder secantium r ludtem decanumcomplomnialo la similia: AEH et AdC. Ergo = AE no compmui aeguatur cntindo AD HE = AH AE. radius in secantem, aequatur tanenti complementi in tangentem, atque ideo cylinder hyperbolicus ciqua- ocant tur ductui inverso tam conchoeidis in portionis conchoeidalis in portionem ang figurae secti a DCHE. = AE, B. tangens in tangentem complementi, aequatur quadrato radii atque ideo ductu prisma, cujus babis quadra adde prop. 4 ejusdem altitadin tum radii, altitudo, distantia a vertice quadrantis, aequatur ductui inverso portionis condocicalis a vertice abscissae, in portionem figurae tangentium complementi a basi abscissam Coroll. atque ideo per prop. 29. sinus in secantem complementi, aequatur tangenti intangentem complemendi ductusque circularis inversus su figuram secantum complementi, ductui conchocidati in verso infiguram ts. 13159 BAEX = HE DC. secans complementi in sinum = tangenti in tangentem complementi. habuimius prop. 33. Corollar. quadcabile Ila similia: HEK et ADC. ergo D - DC - AC HE EK HK DR HK = HE AC. differentia inter secantem et sinum complementi, aequatur in secantem complementi, aequatur tangenti Cylindeo conchoeidalis aequatur ngductui inverso figurae hysperbolicae in scafiguram secantium complementi demto momento decantium complementi ex basi quadrantis seu vertice suo. ade prop. 4 DEHK= EK AC. radius in sinum, = tangenti complementi in differentiam secantist sinus complementi. Ate ideo colinder in radium, atque ideo portionis circularis aequatur ductui inverso hyperbolae in figuram tangentium complemendi (cylindio secantium complementi) demto momento tangentium complementi ex vertice suo seu basi quadrantis. Vla simicia: AdC. et HZ F. est autem 2F. radio. A HF = tangenti arcus dati +hengenti arcus dimidi complementi. et HQ est differentia inter sinum secautem et tangentem dm. compl. dimid. vel est summa ex differentiis duabus, altera inte secantem Xt sinum complementi, altera inter sinum complementi et tangentem complementi dimidii. hinc jam: DC (vel in secantem tangenti complementi in summam tangente et tangente complementi diundii atque ideo cylinder secantium complementi sub radio, aequatur tangentibus intangentes complementi in tangentes HE ex iA quadrabilibus, per prop. 33. coroll. et 3 prop. 34) additis tangentibus complementi in tangente complemen ti dimidii. Atqui tangentes complementi in tangentes complementi dimidii, aequantur radio in secantes com– plementi, demto radio in radios; seu cylindro secantium complementi, demto quadrato radii in distantiam a vertice ciculi. per prop. 13. Utraque ergo propositio 13. et 37. eodem redit, argumento veritatis calcul. adde proper Ade GH L HF AC. secans complementi in differentiam secantis et tangentis complementidimidue, aequatur radio in summan ex fangente et tangente complementi dinudii atque ideo: se cylinder conchoeidalis, addito cylindro conctoeidis falsa dimidiata ar tangentis complementi dimidiati, aequatur ductui hyperbolico infiguram secantium com- cylindro conchoeidali mumento secantium complementi, ex basi quadrantis, qua- drabiti aucto) demto secante complementi in tangentem complementi dimidii. Atqui secans complemen- in tangentem complementi dimidii aequatur differentiae inter tangentem complementi, et tangeatem com– detihus rantemato (qui per prop. 35 plementi dimidii in radium Supra prop. 124. Huc talis aequatioorietur. Esto radius a. tangens c. secans d secans complementi angensinudii complementi C. literi superioribus retentis. ergo: gd- ge- act ae. sed quia pro ad substitmi potest ac +si eB (3 ds quaditum quid ilb. n) et pro ge et per prop., 12. pro ge substitui potest hacco ah- ae. Aed aequatiotalis. _ 1 43 +a ae. ac +ak - a3 + ac = aC + aC. seu aC + 34C - ah = aC. Ergo 3a C- ah = 0. seu 3ac = ah. seu ac + ae = ac + ac. insigni documento calculi recte positi ntie seni complementi aegratur quadrato cibolicam domto ejus ductu samo radii. Atque ideo Figura targentium complemeati invese clindio secantium complementia radi in distantiam a vertice circuli seu sasittam, aequatur quadrato radi in sagittam, rursus omnia eodem tangentium semisupplementi, seu demto cylindro tam redeunt crtissimo argumento veritatis. prop. 32. prop. 33 prop. 34 prop. 35. prop. 36. prop. 37 prop. 38. prop. 29 verte