Theorem Nat.AtLeastTwo.one_lt

Modification history

2025-08-22 06:26

Mathlib/Data/Nat/Cast/Defs.lean

refactor: syntactically generalise the `Nontrivial (Fin n)` instance (#28638) …

Modified Nat.AtLeastTwo.one_lt View on Github →

2024-02-25 19:55

Mathlib/Data/Nat/Cast/Defs.lean

chore: add instance from `Nat.AtLeastTwo n` to `NeZero n` (#10964) …

Added Nat.AtLeastTwo.one_lt View on Github →