Theorem extentClosure_union

Modification history

2025-07-11 15:12
Mathlib/Order/Concept.lean
refactor(Order/Concept): rename `intentClosure` → `lowerPolar` (#26976) …
Deleted extentClosure_unionView on Github →
2023-01-07 14:35
Mathlib/Order/Concept.lean
chore: tidy various files (#1412)
Added extentClosure_unionView on Github →