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# Title: Phoronomia, Sive De Viribus Et Motibus Corporum Solidorum Et Fluidorum Libri Duo (shelfmark Leibn. Marg. 182)
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P R A F A F I O.
in plures particulas aequales interstinctam (ad id, ut ex ca prxe
conceptorum operum ideas proportionalirer delineare poltint)
Scalam Geomerricam rocant. Patet ergo currarum lincarum
contemplationem non Colum non esse inutilem, led absolure
necellariam ad accuratam phaenomenorum atque virium natu-
rae repeaelentationem.
Ouantum ad nocarionis formam attinci, cum duxe plures-
re linca cum interjectis punctis conjunguntur, hoc significat
lineas in se mutuo ductas esse, ut AB. CD Cionificat rectanoii-
lum Cub AB in CD, quod aliis sic delionavi solet AB + CD.
Sic etiam S. F72. nM. FF. FBE = DT. VA. and. ICD indicat
tempus per BF exponi, Facto ex N de radice iplius A in angu-
lum ICD, ∞ SiC in reliquis hujus Propolitionis demonstratio-
nisque locis, e in Propolitionibus duabus sequentibus. Fractio-
nes seu rationes ad Typochecarum commoditarem exprimun-
tur per duo puncta. Sic AB: CD idem est ac communiter
AB
CD, _ AB: CD = F F: NIN idem ac rulGO AB. CD:: FF. NN.
Cum plures tractiones sibi inricem adduntur, ex rel commaten
auc commate cum puncto, aut etiam parenthesibus distinguuntur:
CiCf =a: b, + c: d. auE f = a: b; +c: d idem est quod ordinarie
=a +. Subinde quantitatibus alix parenthesibus inclulae (I-
ne allo interposito signo annectuntur, quod indicat quantita-
ces esse requales; sc, S haberetur A (4) id indicaret aequales
ese vel requiralentes magnitudines A e a, sin vero cum pun-
EEO InFEFPOSEO diCFInONaNEUE UE A. (a) hoc denorat Factum ex
A in a; _ sc in aliis. FXpresTiones verO Y (aa = bb); (aa = BC ) n
denOTAnE Vaa = bB, d aa L bCn respectire. Reliqua signa usita-
eo senlu adhibentui.