Theorem IsLowerSet.Iio_subset

Modification history

2026-02-21 12:45
Mathlib/Order/UpperLower/Basic.lean
chore(Order/UpperLower/Basic): use `to_dual` (#34640)
Deleted IsLowerSet.Iio_subsetView on Github →
2024-01-30 14:58
Mathlib/Order/UpperLower/Basic.lean
feat: images of intervals under `(↑) : ℕ → ℤ` (#9927) …
Added IsLowerSet.Iio_subsetView on Github →