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# Title: Leibniz-Handschriften zur Mathematik LH 35, 11, 15
# Folio 1v, page id 00068188:0002
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eramma
Parallelogramma super eadem basi et inter easdem parallelas
sunt aequalia inter se, atque adeo et eriungula, quippe
quae sunt ipsorum dimidia
sint duo parallele gramma ABCd et ABEF super eadem basi AB, et
inter easdem parallelas AB et CF, dico  ae quari interse
Demonstratio Empirica
HCO
lequ
e
3
CE
aequ
ADF
aequ.
ABEF
Quin ergo ABCd aque ABCF et A ABC est imid. ABCd et
ABE est dimid A
aqu
BEF, ; erit triang. ABC aequ. triang. ABE
Triangulasu
Corollar.
aequalia inter se
Nam triangula ABC, ABE, sunt dimidia Parallelogiam morum cilter se
aequalium ABCd et ABEF