Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.mul_antidiagonal.fst_eq_fst_iff_snd_eq_snd

Modification history

2022-10-27 00:02
src/data/set/mul_antidiagonal.lean
chore(data/set/pointwise): split file, reducing dependencies (#16950) …
Modified set.mul_antidiagonal.fst_eq_fst_iff_snd_eq_sndView on Github →
2022-08-25 00:16
src/data/set/pointwise.lean
refactor(order/well_founded_set): golf, review API (#11303) …
Modified set.mul_antidiagonal.fst_eq_fst_iff_snd_eq_sndView on Github →
2021-02-16 12:05
src/order/well_founded_set.lean
feat(order/well_founded_set): finite antidiagonal of well-founded sets (#6208) …
Added set.mul_antidiagonal.fst_eq_fst_iff_snd_eq_sndView on Github →