Theorem Nat.le_one_iff_eq_zero_or_eq_one

Modification history

2024-01-10 08:02
Mathlib/Data/Nat/Defs.lean
refactor: Split off basic `Nat` file (#9551) …
Modified Nat.le_one_iff_eq_zero_or_eq_oneView on Github →
2023-09-04 13:19
Mathlib/Data/Nat/Order/Basic.lean
feat(Data/Nat/Order/Basic): le_one_iff_eq_zero_or_eq_one (#6949)
Added Nat.le_one_iff_eq_zero_or_eq_oneView on Github →