Theorem Cardinal.unbounded_of_unbounded_sUnion

Modification history

2026-03-15 22:43
Mathlib/SetTheory/Cardinal/Cofinality.lean
refactor: redefine `Order.cof` for a preorder (#35513) …
Deleted Cardinal.unbounded_of_unbounded_sUnionView on Github →
2025-03-11 00:25
Mathlib/SetTheory/Cardinal/Cofinality.lean
chore(SetTheory/Cardinal/Cofinality): split file (#21972) …
Added Cardinal.unbounded_of_unbounded_sUnionView on Github →