Theorem Set.preimage_subtype_val_Ioo

Modification history

2026-09-08 16:08
Mathlib/Order/Interval/Set/Image.lean
chore(Order/Interval/Set/Image): use `to_dual` (#43584)
Modified Set.preimage_subtype_val_IooView on Github →
2023-10-30 08:37
Mathlib/Data/Set/Intervals/Image.lean
feat(Data/Set): images of intervals under `Subtype.val` (#7653) …
Added Set.preimage_subtype_val_IooView on Github →