Theorem Finset.fiber_nonempty_iff_mem_image

Modification history

2024-09-17 19:29
Mathlib/Data/Finset/Image.lean
chore(Data/Finset/Image): simplify proof of filter_mem_image_eq_image (#16821) …
Modified Finset.fiber_nonempty_iff_mem_imageView on Github →
2023-01-16 11:54
Mathlib/Data/Finset/Image.lean
feat: port Data.Finset.Image (#1586)
Added Finset.fiber_nonempty_iff_mem_imageView on Github →