Mathlib v3 is deprecated. Go to Mathlib v4

Theorem ordinal.zero_le_one

Modification history

2022-06-06 18:41
src/set_theory/ordinal/arithmetic.lean
feat(algebra/order/*): typeclass for `0 ≤ 1` (#14510) …
Deleted ordinal.zero_le_oneView on Github →
2022-05-09 14:40
src/set_theory/ordinal/arithmetic.lean
refactor(set_theory/ordinal/arithmetic): Rename theorems to match `nat.log` API (#12733) …
Added ordinal.zero_le_oneView on Github →