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Theorem ordinal.lift_omega

Modification history

2022-06-05 07:36

src/set_theory/ordinal/basic.lean

refactor(set_theory/*): change `omega` to `aleph_0` + golf (#14467) …

Modified ordinal.lift_omega View on Github →

2017-12-19 04:59

data/ordinal.lean

feat(data/ordinal): sup, cofinality, subtraction

Added ordinal.lift_omega View on Github →