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Theorem ordinal.type_eq_zero_iff_empty

Modification history

2021-07-16 13:09
src/set_theory/ordinal_arithmetic.lean
chore(set_theory/*): use `is_empty α` instead of `¬nonempty α` (#8276) …
Deleted ordinal.type_eq_zero_iff_emptyView on Github →
2020-07-23 11:08
src/set_theory/ordinal.lean
chore(set_theory/ordinal): split into multiple files (#3517) …
Modified ordinal.type_eq_zero_iff_emptyView on Github →
2017-12-23 10:06
data/ordinal.lean
feat(data/ordinal): mul, div, mod, dvd, sub, power
Added ordinal.type_eq_zero_iff_emptyView on Github →