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Theorems · Definition · logic and foundations

Cardinal.toENat

Cardinal.{u} →+*o ℕ∞

Projection from cardinals to ℕ∞. Sends all infinite cardinals to . We define this function as a bundled monotone ring homomorphism.

Defined in
Mathlib.SetTheory.Cardinal.ENat
Cited by
92 results in Mathlib
Foundations
Depth 87 from the axioms · uses propext, Classical.choice, Quot.sound

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