Ordinal.liftPrincipalSeg

Ordinal.{u} <i Ordinal.{max (u + 1) v}

Principal segment version of the lift operation on ordinals, embedding Ordinal.{u} in Ordinal.{v} as a principal segment when u < v.

Defined in: Mathlib.SetTheory.Ordinal.Univ
Cited by: 6 results in Mathlib
Foundations: Depth 43 from the axioms · uses propext, Classical.choice, Quot.sound

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