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Theorems · Inductive type · logic and foundations

Ordinal.IsFundamentalSeq

{a o : Ordinal.{u_1}} → (↑(Set.Iio a) → ↑(Set.Iio o)) → Prop

A fundamental sequence for o is a strictly monotonic function Iio o.cof.ord → Iio o with cofinal range. We provide a = o.cof.ord explicitly to avoid type rewrites.

Defined in
Mathlib.SetTheory.Ordinal.FundamentalSequence
Cited by
13 results in Mathlib
Foundations
Depth 32 from the axioms · uses propext, Classical.choice, Quot.sound

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