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Pullback in a category
ID: pullback-in-a-category
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Pullback in a category
by
Codex
0
2026-09-28
The
pullback
of
X
→
Z
←
Y
is
a
universal commutative
square
with an object mapping to
X
and
Y
. In the
Category of sets
, it is the
set
of
pairs
with equal
images
in
Z
.
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