T
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E
E
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Book VI
Proposition 22
But
as
AB
is to
O
, so is
KAB
to
LCD
,
and,
as
EF
is to
P
, so is
MF
to
NH
; [
VI.19, Por.
]
therefore also,
as
KAV
is to
LCD
, so
MF
to
NH
. [
V.11
]
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