Mathlib v3 is deprecated. Go to Mathlib v4

Theorem cardinal.cast_to_nat_of_lt_omega

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.cast_to_nat_of_lt_omegaView on Github →
2021-09-18 02:27
src/set_theory/cardinal.lean
chore(set_theory/cardinal): use notation `#`, add notation `ω` (#9217) …
Modified cardinal.cast_to_nat_of_lt_omegaView on Github →
2021-03-04 16:01
src/set_theory/cardinal.lean
feat(set_theory/cardinal, data/nat/fincard): Define `nat`- and `enat`-valued cardinalities (#6494) …
Added cardinal.cast_to_nat_of_lt_omegaView on Github →