Theorem Ordinal.principal_iff_principal_swap

Modification history

2025-03-04 03:24
Mathlib/SetTheory/Ordinal/Principal.lean
chore: remove >6 month old deprecations (#22473)
Deleted Ordinal.principal_iff_principal_swapView on Github →
2024-11-12 10:47
Mathlib/SetTheory/Ordinal/Principal.lean
chore(SetTheory/Ordinal/Principal): use `variable` (#18898) …
Modified Ordinal.principal_iff_principal_swapView on Github →
2024-08-19 07:42
Mathlib/SetTheory/Ordinal/Principal.lean
chore(SetTheory/Ordinal/Principal): clean up formatting (#15953) …
Modified Ordinal.principal_iff_principal_swapView on Github →
2023-02-22 19:59
Mathlib/SetTheory/Ordinal/Principal.lean
feat: port SetTheory.Ordinal.Principal (#2442)
Added Ordinal.principal_iff_principal_swapView on Github →