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# Title: Leibniz-Handschriften zur Philosophie LH 4, 5, 10
# Folio 49v, page id 00069349:0098
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Demonstratio pure analytica
caeteraque in calculo usitata, quae hunc regulam hodbum p requirunt
C
Propositio A.
Sit.... F X - b aequ. 8
aequ. 0
posita X aqu. b
ajo esse  aequ. +
semon Moro.
Demonstratio
c
C
Jam quia X aqu. b. erit x - b aequ. 0. ergo x - b in f- C
dabit e (gnia, si nihilo aequale, ducatur in quidvis  productum
erit nihilo aequale). Ergo est autem X b in f c idem
quod + fx - cx - b f. 6. ut ostendimus: ergo fiet rese
fx - cX - b f. 6. aequ. 0. seu, quod idem est, fit. 6 aqu.
O aequte V + b f - fX. Nursuo quia X aequ. b.
hinc fiet
- - + fX aequ. + b f
item fiet . . . + b c aequ. F cX
ergo aqualibus adclendo aequalia, siet + f. X + bc aequ
6
C ∞ + b f ergo + bc aequ.  Cx + 6 f - f X. Sed paulo
x. ergo erit C
aequ. + b c quod demonstrandum proponebatur
catum
Quod multiplicand minus perminus producamplus, seu b invcfacit et
M.... + f -
suppono autem + in + facere +. et + in - facere.. Item suppono regulas aequalitatum
se hoc loco demonstrandam
Vop. LL