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Theorem cardinal.omega_ne_zero

Modification history

2022-06-05 07:36
src/set_theory/cardinal/basic.lean
refactor(set_theory/*): change `omega` to `aleph_0` + golf (#14467) …
Deleted cardinal.omega_ne_zeroView on Github →
2021-10-14 05:36
src/set_theory/cardinal.lean
chore(set_theory/cardinal): rename `is_empty`/`nonempty` lemmas (#9668) …
Modified cardinal.omega_ne_zeroView on Github →
2021-09-18 02:27
src/set_theory/cardinal.lean
chore(set_theory/cardinal): use notation `#`, add notation `ω` (#9217) …
Modified cardinal.omega_ne_zeroView on Github →
2017-12-23 10:06
data/cardinal.lean
feat(data/ordinal): mul, div, mod, dvd, sub, power
Added cardinal.omega_ne_zeroView on Github →