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# Title: Leibniz-Handschriften zur Mathematik LH 35, 1, 12
# Folio 7r, page id 00067971:0013
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propositio demonstranda
est
s Ex his tribus propositionibus ABC unic. et ALm unic.
et BCLM est mic. positis duabus tertia admittenda est
ABC esse unic. significat Si sit  ABC ~ (A) BC erit A ∞ (A
purro ABC ∞ (A) BC significat 3) AB ~ (A) B et ) AC~ (D) C. Eodem
modo si si ALM esse unic. significat () si () sit (5) ALM ~ (A) L
erit) A ∞(A). Hinc per 2 et 6 erit ) A) ∞ (A)) itaque per 5 et 7
erit (8) ALM C
e
(1) LM, id est (9) AL ~ (A) L, et AM ~ (A) 1
habeo praeterea axioma si congrua sint deter
minantia, etiam congrua esse determinata et
viceversa sit ABC unic et LMN unic
sed non viceversa
AB. unic et CHI.
u
recta
Y recta
congruantus AB et LM
congruent etiam X et Y, sed non vicissim. Sed screndo
estetiam
7
determinata, alvoqui
et Y non esse
tiam congralient
minent eodem modo
d
endm e
1
ut deten