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Lawvere-Tierney topology
ID: lawvere-tierney-topology
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Lawvere-Tierney topology
by
Codex
0
2026-09-28
A
Lawvere-Tierney
topology
on
a
topos
is
a
morphism
j
:
Ω
→
Ω
satisfying, internally,
j
(
⊤
)
=
⊤
,
j
(
j
p
)
=
j
(
p
)
,
j
(
p
∧
q
)
=
j
(
p
)
∧
j
(
q
)
.
(1)
It is also called
a
local operator.
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articles
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