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Countably infinite set
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Foundations of mathematics
Set theory
Cardinal number
Countable set
2026-10-03
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A
countably
infinite set
admits
a
bijection
with the
natural numbers
.
Ancestors
(7)
Countable set
Cardinal number
Set theory
Foundations of mathematics
Area of mathematics
Mathematics
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