Theorem Finset.exists_le_card_fiber_of_mul_le_card_of_maps_to

Modification history

2023-01-23 12:37
Mathlib/Combinatorics/Pigeonhole.lean
feat: Port `Combinatorics.Pigeonhole` (#1758)
Added Finset.exists_le_card_fiber_of_mul_le_card_of_maps_toView on Github →