Theorem UpperSet.lt_erase

Modification history

2026-03-23 08:24
Mathlib/Order/UpperLower/Closure.lean
chore(Order/UpperLower/Closure): use `to_dual` (#36969) …
Modified UpperSet.lt_eraseView on Github →
2025-07-10 15:23
Mathlib/Order/UpperLower/Closure.lean
chore(Order): use new ge/gt naming convention - Part 5 (#25586) …
Modified UpperSet.lt_eraseView on Github →
2025-03-24 10:45
Mathlib/Order/UpperLower/Basic.lean
chore: split `Order.UpperLower.Basic` (#23248) …
Modified UpperSet.lt_eraseView on Github →
2023-10-21 10:50
Mathlib/Order/UpperLower/Basic.lean
feat: Removing elements from a lower set (#7374) …
Added UpperSet.lt_eraseView on Github →