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Theorem cardinal.is_limit_aleph_0

Modification history

2023-04-03 08:02
src/set_theory/cardinal/basic.lean
refactor(set_theory/cardinal/basic): redefine `cardinal.is_limit` in terms of `is_succ_limit` (#18523) …
Modified cardinal.is_limit_aleph_0View on Github →
2022-06-05 07:36
src/set_theory/cardinal/cofinality.lean
refactor(set_theory/*): change `omega` to `aleph_0` + golf (#14467) …
Added cardinal.is_limit_aleph_0View on Github →