Theorem Finset.le_card_of_inj_on_range

Modification history

2024-06-12 09:13

Mathlib/Data/Finset/Card.lean

feat: Cardinality of a finset under a surjective map (#13435) …

Modified Finset.le_card_of_inj_on_range View on Github →

2023-01-16 16:20

Mathlib/Data/Finset/Card.lean

feat: port Data.Finset.Card (#1589)

Added Finset.le_card_of_inj_on_range View on Github →