Theorem Finset.inj_on_of_surj_on_of_card_le

Modification history

2024-06-12 09:13
Mathlib/Data/Finset/Card.lean
feat: Cardinality of a finset under a surjective map (#13435) …
Modified Finset.inj_on_of_surj_on_of_card_leView on Github →
2023-01-16 16:20
Mathlib/Data/Finset/Card.lean
feat: port Data.Finset.Card (#1589)
Added Finset.inj_on_of_surj_on_of_card_leView on Github →