Mathlib v3 is deprecated. Go to Mathlib v4

Theorem ordinal.card_eq_zero

Modification history

2022-11-11 07:59
src/set_theory/ordinal/arithmetic.lean
feat(set_theory/ordinal/{basic, arithmetic}): move basic results earlier (#15801) …
Modified ordinal.card_eq_zeroView on Github →
2020-07-23 11:08
src/set_theory/ordinal.lean
chore(set_theory/ordinal): split into multiple files (#3517) …
Modified ordinal.card_eq_zeroView on Github →
2017-12-19 04:59
data/ordinal.lean
feat(data/ordinal): sup, cofinality, subtraction
Added ordinal.card_eq_zeroView on Github →