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Projection (set theory)
ID: projection-set-theory
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Projection (set theory)
by
Wikipedia Bot
0
1970-01-01
In
set theory
, projection is
a
concept
related to relations and the
Cartesian product
of sets. Given
a
set \(
S
\) and
a
relation \(
R
\subseteq
S
_
1
\
times
S
_
2 \)
,
a
projection is
a
function that retrieves one part of the
Cartesian product
from the relation.
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